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Open Question: magnetic power generation?

I saw a video on U tube an easy method of harnessing electric power by magnet. Could someone guide me in regards to it. http://www.youtube.com/watch?v=z_3ZRhA_L84&feature=channel 1) To prepare 1KW of electricity what will be the size of neodymium magnet needed. 2) what will be the length of coil thickness of wire and diameter of coil tube needed. 3) Can passing a magnet through coil generate electricity efficiently. 4) how much gap should be between the magnet and coil to be most effective.If instead of using it as a piston on heat engine as used in youtube if I plan to lift the magnet by pneumatic pressure and let it fall by gravity will this be yet inefficient. will it take more energy in generating air to lift the magnet. The magnet shall be generating electricity while going up and coming down wont it be more efficient. If their is even a weak possibility of it being efficient will someone please provide me a link or info about how to calculate the size of magnet tube and the coil for 1KW. Only serious answers please. more

Voting Question: Tales of symphonia temple of lightning help! How do i do the block puzzle?

Okay so me and my friends can not figure it out. How do you do block puzzle?!?! We dont understand how it works. How do you start up the generation? Where is the electricity coming from and where do we need to get it to? The puzzle would seem really easy if we could figure out how to durn the damn generator on, is it supposed to be really easy? When ever we click on the generator it says, "it wont move" or something... but we dont want it to move we just want to turn it on!!! We need major help! Thank you sooo much!!!! more

Voting Question: hydroelectric power and perpetuality?

Ok, here's my plan. I want a reservoir to hold water to be about 10 feet in the air. Lets say for example this reservoir has 100 gallons of water. I want it to drop onto a water wheel, thus spinning the wheel. The water will then, eventually land in a lower "catch tank." I want to have a pump for this catch tank to pump the water back into the top reservoir. Now, back to the wheel for a minute. I want to have a shaft going through this wheel with gear/cog on an end of this shaft so it can turn another wheel to place as many cogged/geared generators inline with it as I can. As a backup, I want a float-activated switch to run water from our well to the top reservoir if/when the water level gets too low; as we all know that water evaporates. I live on 3.5 acres, so I have plenty of room to work with. I am tired of paying the power company 500 bucks a month. My question is.... WILL THIS IDEA WORK??? I know I have fine details to be worked out, such as once I create the electricity, how do i store it, the water falling cannot exceed the water pumped, etc...etc. Please, someone let me know soon. If there is ANY links ANYWHERE, I would appreciate free plans for this type of electricity generationok mr analogy...... but go to the bank and accept that one fee but make the exchange of 100 pounds with that same single exchange fee.... I guess what I'm trying to say is that I know there will always be friction. The first generator causing the most friction. At some point, I would think inertia at least would kick in, making the friction less and imagine putting 6 generators for example inline with the geared/cogged wheel. Why would you not eventually overcome that friction. And I always thought that the faster you spin a generator the more electricity it would produce. And I also thought that would also depend on the power rating of the generator... for example 5 amps at 2000 rpm... etc. etc...im just not understanding why it would not happen especially if done through geared reduction more

Voting Question: Is this a good start to a story I'm writing?! Give me all your thoughts!?

PLEASE KEEP IN MIND I AM ONLY 13! Prologue September 27, 2023 The world is over, No doubt about that.. The war isn’t. Experiments rule the world. Humans are for the most part, extinct. Food, water and electricity are limited. Too limited for anyone’s liking. The Experiments we deal with these days are not as easy as they were 10 years ago. Something is different. Something has changed. Chapter 1 June 1, 2012 The fire was creeping against my sweaty skin. My eyes flickering like a dying light. My hands are failing at an attempt to shield my face. So, this is what death feels like. But, death was not what I was dealing with. The heat wasn’t killing me. I was not dying, and I was sure of it. Everything I tried to grab onto seemed to disappear into the air. The orange and redness surrounded me now. My companions have all died. I’m here all alone, unable to die. And soon, water drenches my face with a significant relief. The sweat dissipated into trickles of coldness, running down my flushed cheeks. “Wake up!” A voice called. “We’re not waiting forever.” Another voice whispered. The water that fell onto me in the vivid recollection a moment before wasn’t fake. My eyes were blurry, filled with water. The wetness added a surprising stinging sensation. When I was finally able to spread my eyelids apart, I saw James. James, my roommate. His hair was short but wavy. Brown as brown gets. His eyes sparkled, corresponding with the happy sunlight coming through the mid-sized window. He was squinting. I guess he found it difficult to see if I was awake because after I decided to open my eyes, they almost immediately shut due to a few more lines of water. It took me a moment to realize that James had dumped a cold bucket of water onto my bed. Nice guy. I couldn’t make out who was with him. “Get out.” I whispered, my voice faintly disappearing. James shook his head. “Exams, dude.” I opened my eyes once more and found James standing closer than before. I took a quick glance around the messy room, while propping my head upon my elbow that was resting against the wet bed sheets. Nothing out of the ordinary except for another boy, fixing a picture frame a few feet away on my dresser. I looked at James and cocked one eye brow. James, seeming reminded, introduced me to the him. “Kyle?” James asked, looking towards him. “Kyle?” The boy turned towards James and I saw his face. “James.” I looked at him. “You know the rules.” “Come on, Jared.” He bent down and whispered. “It’s this one time.” “Hello, I am Kyle.” The boy announced. “I am of generation four descent.” “Designed for life.” “Don’t you ever bring an experiment in here!” I shouted, whipping the covers off of myself. “Jared, I am sensing slight discomfort.” Kyle said. I pushed James out of the way and made my way to Kyle. His face was short and buff. His eyes were generation four color, green. His hair was standard, brown and short. No longer than a tack. We were face to face, now. “State your purpose.” I demanded. “Life, sir. I am designed for—“He began. “I know you’re designed for life.” I replied. “What is your purpose?” “I do not understand the command.” Kyle said, looking towards James. Kyle walked towards James. I stayed where I was already, now looking into the full-sized mirror, situated where Kyle had stood. “Excuse me sir, but I do not understand Jared’s commands. Kyle said. “Could you be of assistance?” “Sorry, Kyle. Jared does that on purpose to confuse you. He doesn’t care for experiments.” James explained. “Jared is known as a ‘technophobe’.” James chuckled. “Hmm. Technophobe. Abnormal fear or anxiety about the effects of advanced technology. Origin, 1960 to 1965. The words ‘techno’ and ‘phobia.” Kyle recited. “I want you both out, if you don’t mind.” I admitted. “I’m going to study…it’s last minute.” “He is lying.” Kyle said. “He just wants us out of his room. He doesn’t care for me.” James looked toward me and I gave a defeated frown. I pointed towards James and Kyle and then the door. They proceeded to exit and I began my regular day. I went into the bathroom and reviewed myself in the mirror. Tall and scrawny. My wavy black hair was pointing into every way imaginable. I defeated the mountains of hair with a couple smooth brush strokes. My wavy hair was now presentable and respectable. Something I only did once and while and for of course…exams. As I was silently leaning against the cold mirror, my stomach began to growl. When I was done with my cereal, I placed the box where I had found it. I walked back into my room, which had become surprisingly hot, and threw on a pair of cargo shorts and a blue t-shirt. I walked back out into the living area and grabbed my black bag and headed out. When I turned the doorknob open, it practically opened for it self. And I could soon see why. The dorm was a complete riot. It seemed like everyone on the facFor anyone who has already read this, it continues here: http://answers.yahoo.com/question/index?qid=20090621133450AAGTA6s more

Voting Question: Any better Explanation if GOD doesn't EXIST?

* Baby finger formation: The baby’s hands have no fingers in the beginning as its hand is only formed of one big piece of flesh, So how do fingers come into existence? Suddenly and without any known reason lots of cells in the hand start killing themselves but what’s really weird is that only the cells between the fingers die thus leaving the fingers behind. How do these cells know that self sacrificing themselves will make fingers appear!!! * The generator in the heart: If oxygen didn’t reach the brain for few seconds then your brain will get damaged, by how come doesn’t this happen even though the electric signals that causes the heart to pump blood sometimes stop? In my book "I Saw God" i pointed out that there is a piece of dormant flesh in the heart that does nothing but generates electricity in case the main electricity supply stops. How did this generator came into existence? * Fibonacci: The Fibonacci is a numbering sequence that determines proportions of living things, its present in humans, animals, bacteria and even in the structure of the microscopic DNA. What coincidence made the same sequence appear in all living things? * Vision: As soon as photons or light particles strike the retina, a protein that already exists changes its shape, this protein is called 11-Cis-retinal. When the protein changes its shape it fits into another protein called Rhodopsin that was already there. Before the light rays came in Rhodopsin and 11-CIs-rentinal couldn’t have combined together because they had different shape. When both proteins combine together they take a third shape that allowed them to fit in with a third protein called transducin. Again Transducsin was already there but it couldn’t interact with either rhodopsin or 11-Cis-retinal alone before they combine together. This is not the end, Another part is added to the molecule called GTP, so that we now have four different elements bound together. The combination of all of these substances together in such a way allows the whole compound to join another protein called phosphoiesterase. The shape of the resultant molecule will trigger the generation of electrical signals that carry the shape of the object you saw down along the never paths. The signals couldn’t have been triggered before because this compound was not available yet but as soon as it was formed it induced the electrical signals necessary for the seeing process to complete. Sounds like a coincidence right? Face your fears The only thing that may be holding you back from seeking your answers is your fears because finding out the answer to this question might change your life or impose new restrictions on your life style ( See when your mind deceives you). I am not asking you to believe in God now but it’s clear that knowing little information about science can help you find an exact answer to that question. Those who claim that God doesn't exist don't have a real proof, on the other hand, science can let you find God. Reference: http://answers.yahoo.com/question/index;_ylt=AhZOBd0H2c_q._j_HJE_Bpfsy6IX;_ylv=3?qid=20090621113731AAFRI2S http://answers.yahoo.com/question/index?qid=20090621122131AAAMKyQ&r=w@Harlequin,great..you are FAIR enough more

Resolved Question: Is President Clinton responsible for the nuclear weapons Korea is now detonating?

Didn't Clinton built North Korea a nuclear reactor in return for their promise to use it for peaceful generation of electricity and NOT to make bombs. more

Voting Question: Environment.. do read it?

yesterday was world environment day.. did u use plastic covers? did u throw the wastes frm uour house on the roads? im going to give u a small lecture on this topic! wen we spit on the roads, its not only going to effect the cleanliness of the city but also the pollution.. the smoke coming out of the autos, buses, cars, scooters, bikes get collected in the atmosphere.. 20-40yrs back all this was not counted, why? because the atmosphere was so clean and people were less, all the smoke used to just go mix in the atmosphere. and now in this century of ours, at this time all the smoke has been so much clloected in the atmosphere tat the atmoshphere just cant hold more.. tats y its giving us back wat we gave it(smoke etc) in another way like rain, floods, over heat, storms, tsunamis and other climatic phenomena. is this correct wat we r doing now.. now the electricity is on we r just like lazy to go and off it! WHY? y do we get AC home? dont we have ventilators like windows and balconies in our bedrooms halls? do we get scared of the insects which come home make us fall ill.. if we r so worried about ourselves, so concious then y r v bringing death or dead end to our lives? y cant we think about our generation how wil they live? obviously they'l not live like us.. y r v sooo selfish? y do we think only about ourselves? butterflies on earth r decreasing.. y r v destroying our planet? our home which we call it as "MOTHER EARTH".. In The Bible its written in the first book Genesis-- In the begining God created the Heavens and the Earth. the He created all the plants and animals? we can build an house but an earth, we can give to humans but can give birth to animals.. we can make duplicate flowers but we cant make or give birth to flowers or plants.. We cant steal the beauty of the Our Mother Earth.. We have no rights to do tat! dont we? because of our needs we r killing animals for us.. Why? i have an answer to tat! Because, if we dont pollute the environment then we wont have to kill animals.. in the winter season its too cold so we buy nice cozy clothes.. how is dress made do u have any idea? by the animal skins.. look back.. we r rite now suffering because of our own selves..i have more to tell but i dont wont to bore by my bakwas.. right this is wat u call. na? people who r with me lets join in hands and make the Earth, Our home a Better Place to live in.. if do this we wont have to go to the space and play space shuttles over there.. we can play here on earth IN OUR HOME... please send me your words, letters.. Now its left with us youngster to save Our Planet.. more

Resolved Question: How Would You grade this?

How would you grade this essay I wrote on nuclear power? With growing numbers of people in the United States purchasing computers, televisions, appliances, and many other electricity-gobbling devices, the demand for electric power has been surging. Between 1991 and 2000, Americans' electricity usage jumped more than 30 percent. Meanwhile, power plants became extremely difficult and expensive to build, requiring exhaustive and time-consuming scientific studies to determine how the plant would affect the surrounding environment. As a result, relatively few new plants were constructed. In the summer of 2000, residents of California experienced a severe electricity shortage caused by a complex combination of factors, including a shortage of power-generating capability, skyrocketing prices for the natural gas used to fuel power plants, and exploding demand for electricity. By March 2001, the shortage became so serious that the state's largest utility companies called for rolling blackouts--controlled, successive power outages in designated areas--to avoid even more widespread power outages. Although investigators learned in May 2002 that the crisis was caused in large part by questionable, and perhaps illegal, business practices by the Enron Corporation, an energy company in Houston, it still pointed up weaknesses in the power-generation system in the United States. The crisis in California exposed the need for greater power-production capabilities throughout the country, forcing energy officials to begin an urgent effort to increase generating capacity. As they sought solutions to the problem, many energy experts said it was time to reconsider nuclear energy as an alternative to fossil fuels (oil, coal, and natural gas). One of the big advantages of nuclear power plants is that they do not generate greenhouse gases--gases, such as carbon dioxide, that slow the radiation of heat away from the Earth, thereby raising the planet's surface temperature, and possibly contributing to global warming. Power plants that burn fossil fuels produce such gases in abundance, and they also contribute to air pollution. Although nuclear energy has its drawbacks, including the production of radioactive waste and the potential for dangerous accidents, it has been a part of the U.S. energy mix since the late 1950's. In 2002, more than 100 nuclear reactors generated about 20 percent of the nation's energy, second only to coal-fired plants. Plants that burn coal or other fossil fuels produce about 70 percent of U.S. electricity. Of the remaining 10 percent, nearly all is produced by hydroelectric power, electricity generated at dams. Various other energy sources, including windmills, solar-energy, geothermal energy (Earth's internal heat), and waste-burning collectively generate about 1 percent. In May 2001, U.S. President George W. Bush unveiled his national energy policy, which called for an expanded role for nuclear energy. One of the reasons for the reviving interest in nuclear energy is that it is a very cost-effective way to generate electricity. Nuclear reactions release millions of times more energy than the chemical reactions involved in the burning of fossil fuels. For example, a piece of uranium fuel weighing just 0.04 ounce (1 gram) can release as much energy as the burning of about 2.3 metric tons (2.5 tons) of coal. Moreover, the cost of nuclear power is relatively stable while the prices of fossil fuels are always in flux. To make nuclear energy an even more attractive source of energy, nuclear engineers have been working to develop simpler, safer nuclear power plants that are easier to maintain than the plants operating in 2002. The two most common types of reactors are boiling-water reactors and pressurized-water reactors. These reactors are often called "light-water reactors" to distinguish them from reactors that use heavy water (deuterium oxide, a special type of water in which the hydrogen nuclei contain a neutron as well as a proton) as the coolant. In a boiling-water reactor, the water surrounding the reactor core boils, creating steam directly in the reactor vessel. This slightly radioactive steam is sent through pipes to a turbine, which turns electric generators, creating electricity. The steam coming out of the turbine then cools and condenses into liquid water, which is returned to the reactor vessel to be used again. In a pressurized-water reactor, which is the most common type of nuclear reactor, the water is under extremely high pressure, about 160 kilograms per square centimeter (2,000 pounds per square inch). That pressure enables the water to be heated to about 325 degrees C (620 degrees F), well above its normal boiling temperature of 100 degrees C (212 degrees F). The pressurized and slightly radioactive water from the reactor goes to a steam generator that contains a large number of small tubes through which the hot, pressurized water flows. Water from a separate system flow more

Resolved Question: I am looking for courses on solar panel installation. Both hot water and electricity generation.?

Resolved Question: Nuclear energy in Germany?

Please demonstrate the use of nuclear electricity generation in Germany. Please leave your sources just so i can read up more on the answers. Thanks :) more

Resolved Question: Please answer this.... URGENT!?

In the 1970s nuclear power generation was considered to be a serious option in the face of dwindling electricity supplies. The discovery of the Maui gas field led to shelving of the plans for nuclear energy in New Zealand, although it was recommended that the possibility should be investigated again ‘early in the next century’ i.e. NOW. Given that we are once again faced with concerns of supply of electricity: Discuss the advantages and disadvantages of the development of nuclear power generation in New Zealand. Issues that you MUST consider include: •Recent developments and improvements in nuclear technology: is the nuclear power generation technology that is available in 2009 significantly different to earlier nuclear power stations? What changes/improvements have occurred? What developments are likely in the near future? •Environmental considerations: discuss/list both the positive and negative aspects of using nuclear technology to generate electricity in New Zealand. Include the ‘cost’ to future generations. •Safety issues: What are the safety hazards and risks associated with nuclear generation technology? How good/bad is the safety record for nuclear compared to other forms of generation (e.g. coal-fired power stations, hydro-generation, gas-fired power stations)? •What are the most likely alternatives to nuclear? If New Zealand decides not to use nuclear generation to meet the growing demand for electricity, how will this demand be met? more

Resolved Question: what are the limits of sea wave energy in electricity generation? as regards to maximum power that can be got.?

what is the maximum power that can be gotten from sea wave energy as regards electricity generation, and what is responsible for this power limitation and how?any remedy? more

Resolved Question: Nuclear power generation is more expensive than present methods of making electricity.?

Discuss giving insight and include aspects which you believe are mandatory (building of plant, storage etc.) Present methods most likely being coal more

Resolved Question: Ultimately who pays for electricity generation and power transmission?

Resolved Question: What are the following...?

Static Electricity Electric Charge Charging - friction, contact and induction Electric currents history of electricity power generation. just some simple facts for some study notes, no need to go over board! more

Resolved Question: Would you invest in a hot dry rock electricity geothermal generation?

There is a 300MW generation plant of this type to be built in Australia in 2010-11. It has just completed its steam trial in Feb 2009 more

Resolved Question: If Geothermal is our best future energy option - would you invest in it ?

To build a large electricity generation plant will cost a billion dollars plus so it would need community investment. more

Resolved Question: Nuclear energy vs fossil fuels?

What are the advantages and disadvantages of using nuclear energy electricity generation over using fossil fuels. Thanks :) more

Resolved Question: how does the generation of electricity by hydroelectric,tidal,and wind sources are similar to each other?

Resolved Question:  What effect, if any, do different fabrics have on the generation of static electricity?

Resolved Question: Why is an electric car good for the enviroment? We never look at impacts of production or on electric grid.?

Should we not look at the impact of mining for battery materials? The ramification of electricity generation ie damming rivers, burning coal, nuclear waste, visual pollution from solar panels? Not to mention the power company monopolies. more

Resolved Question: If it's really about CO2 and not imposing a "back to nature" lifestyle, then do you support nuclear power?

Nuclear power is used safely to power the majority of electricity generation in both France and the UK. Nuclear emits zero CO2. We have nuclear power plants in the US as well. And not a single person has died from the use of nuclear power in the US. Wind, solar, geothermal are great. Hydro is great - and already used, nearly to capacity. In short, "renewable" sources are great and some of them are underutilized, but using them to capacity wouldn't replace coal and natural gas. But we could replace coal and natural gas with nuclear, over time. So if it's really about CO2, then there's no rational reason to oppose increased use of nuclear power. But if it's about forcing a "lower consumption lifestyle" on people who lead lifestyles different from yours, then I can see how you might still oppose nuclear. So, into which category do you fall - - - concerned about CO2 or seeking to impose your lifestyle on everyone else?thor, it's expensive and we're behind the curve in large part because of needless restrictions put in place by people like YOU. A misinformed public believes that Chernobyl could happen here - it can't. Their reactor used poor technology and their monitoring system sucked. The UK and France safely use nuclear power to produce over half their electricity. more

Resolved Question: Why do cigarette smokers often justify their addictions....?

By comparing them to the exhaust fumes of vehicles? I mean, its absolutely ridiculous. Not just exhaust fumes but other "pollutions". Cars, buses, electric generation plants, etc. But all of those benefit society. We all need electricity and transportation. Unlike cigarette smoke which doesn't benefit society at all. How about picking a more logical reason to justify your addictions?To proudmom, vehicles are mostly on our roads unlike smokers who are everywhere. Try again. more

Resolved Question: Another Earth Day Question!?

I just wrote my article for my school newspaper on Earth Day and this is how it goes: This year on April 22nd is Earth Day. This day is where people are supposed to help appreciate the earth and the environment. It will mark the beginning of the Green Generation campaign, a movement promoting a new way of thinking, living and doing business where sustainability takes place. This campaign includes people of all ages who are committed to help save the earth by "going green." This year is only the 39th anniversary of Earth Day (which was founded in 1970 by Senator Gaylord Nelson of Wisconsin)and unless people are willing to make a change in their lifestyle, we may not be able to see another Earth Day in 2020. Earth Day is a day when people around the world go the extra mile to care for our planet and to reduce our carbon footprints. It is a day in which people try to make the earth continue to be green and take the opportunity to inform others about what we can do to make a difference and help by just doing the simplest things such as carpooling to school or using fluorescent light bulbs which take up less energy. Another thing that can help the environment is remembering the 3 R's- reduce,reuse, and recyle. For example, you can reduce the amount of water you always use by turning off the faucet when brushing your teeth or by taking shorter showers. You use about 8 gallons of water per minute, which is extreme and because our water source is very polluted in this day and age pretty soon, we won't even have enough fresh water to supply ourselves. As for reusing you can reuse things such as containers,paper,boxes,and grocery bags. If you use disposable water bottles and throw them away everday you can re-use the same bottle and fill it with clean water. The easiest one to do however is to recycle. All you have to do is simply gather your recyclables and make a drop off at a recycling center, or leave your recyclables out to be picked up each week.Everything that you recycle whether it is paper,plastic,glass or any other type of material helps the environment in the biggest way possible. More and more landfills are getting filled up with garbage everyday and recycling conserves our natural resources by 25 to 50 percent. On the 28th of March this year many people took part in shutting off their lights for one minute to conserve energy. At 9 pm on earth day by doing the same thing we will be saving a lot of energy per household along with saving electricity which can also help the earth in a big way. Because humans are getting more careless and careless everyday about the earth many living things are suffering such as the plant life and the polar bears and penguins due to global warming. *****Because everyone here is an expert at this I was wondering if this sounded okay? Im not completely finished yet but I would also like to put in something about the rainforests and possibly get more into global warming and Im completely clueless as to what to put! Also any quotes you have about what your going to be ddoing for earth day is also appreciated! Thank you so much for your help! more

Resolved Question: Biomass energy. Good or Bad?

Okay i have a science project and i need the answers to the following questions about Biomass energy. Please give more then yes or no answers. -Thanks Best answer will be awarded nicely! 1.Is it expensive to locate? 2.Is it expensive to research,develop or refine? 3.How expensive is it to convert into electricity? 4.How will it affect the cost of home heating,transportation etc? 5.will it be available to all americans? 6.will it be affordable to americans? 7.How will it affect jobs?(will jobs be lost or gained) 8.Is there enough for generations to come? 9.Where is it most plentiful? 10.Does it pollute?Or cause climatic changes? 11.Does obtaining it damage ecosystems? 12. Is it safe for workers and consumers? 13.Would disposing of it be safe for the future? more

Resolved Question: Can you answer these Earth Science Questions?

3. Plants use sunlight to convert carbon dioxide and water into organic molecules A) used by living organisms for chemical energy. B) that are reflected into space by Earth's atmosphere. C) that protect us from ultraviolet rays. D) similar to ones produced by volcanoes. 4. Global warming is caused by _______ and increases the ________. A) too much of the Sun's energy reaching the Earth through the thinning ozone layer; temperature of the planet. B) too many greenhouse gases in the troposphere; amount of heat energy retained near Earth's surface. C) depleting the ozone layer; temperature of the planet. D) the amount of energy reflected by the Earth's surface; greenhouse gases in the troposphere. 5. Continuing to use coal as the principle fuel source for generating electricity is A) due to the low cost of transporting coal to generating plants. B) because of the long-term financial investment in coal-burning generating plants. C) that generating plants also produce heat that helps warm the air over communities. D) that they are the least disruptive to natural habitat 6. ____ is stored in molecules because they are composed of atoms that have different ways of moving inside the molecules. A) Kinetic energy B) Potential energy C) Heat energy D) Nuclear energy 7. Nuclear energy is a renewable energy source. A) True B) False 8. Fossil fuels produce carbon dioxide when they undergo combustion reactions. A) True B) False 9. Ocean waters near the equator develop currents that carry warm water to areas of the Earth that do not receive as much energy from the Sun, by A) convection circulating the upper layers of the ocean. B) conduction of heat from the land to the ocean. C) radiation circulating the upper layers of the ocean. D) thermohaline currents 10. The principle concern in locating geothermal electical generation plants is A) adequate water supply. B) heat pollution affecting local air temperature. C) that they require a volcanic hot spot. D) the long transmission lines required. more

Resolved Question: Please list Major thermal power generation companies out side India, Malaysian and Chinese companies prefered?

We are searching for companies who use coal or oil for the production of electricity outside India more

Resolved Question: What about indigo children?

Now I have a friend who believes that he is a indigo child, he thinks he is the next generation of man and oh yeah, apparently he can send out sparks of electricity with his mind.....is he crazy or am I crazy for asking this question... more

Resolved Question: Dont know please help..........................?

What is NOT a valid argument supporting the switch from using fossil fuels to using solar cells to generate our electricity? 1. The conversion can be done quickly, effi- ciently, and relatively inexpensively if we just put our minds and our will to it. 2. The conversion will reduce the potential for global warming as less carbon dioxide is produced in the generation of electricity. 3. The conversion reduces environmental damage from the extraction and transport of fossil fuels. 4. The conversion will lower the level of air pollution from sulfur and nitrogen oxides. more

Resolved Question: Please help...........................?

Voting Question: Hey..............................................?

Resolved Question: Why is the media still in love with Obama?

Links: [1] http://www.eyeblast.tv/public/video.aspx... [2] http://www.eyeblast.tv/public/video.aspx... [3] http://www.mrc.org/April12009.asp For those of you who enjoy reading MRC’s Notable Quotables newsletter, featuring the most outrageous (and sometimes humorous) quotes in the liberal media, our latest edition has just been put online. The full text, with five matching videos, can be found at www.MRC.org; here are a few of the highlights from this issue: An ‘A’ for America's Passenger-in-Chief [1]Co-host Diane Sawyer: "As we said, President Obama is in London today, his first trip to Europe since becoming President. ABC's George Stephanopoulos has been watching all of this, and is here with his report card...." George Stephanopoulos: "Barack Obama arrived at the G-20 summit just hours ago, too soon for a real assessment of his diplomacy. But, Diane, the flight over the Atlantic was just spectacular. Our pool correspondent tells us there was very little turbulence, the food was delicious, and the view of London on the approach was magnificent. So, I'm giving the President an ‘A' for this trip — if he can keep this up over the next couple of days, it's going to be a very successful summit." — ABC's Good Morning America, April 1. The Graceful Apologist "President Obama quickly apologized for his quip comparing his bowling skills to those of disabled athletes. Recognizing the slip at once, Mr. Obama called the chairman of the Special Olympics, Tim Shriver, from Air Force One. ‘He apologized in a way I think was very moving,' Mr. Shriver said. Indeed, one of Obama's signature traits is an almost uncanny unflappability. From his quick recovery after misspeaking the presidential oath to graciously confessing fault over his Cabinet nominees, this President handles his mistakes with such impressive grace that one is left almost glad that he makes them." — New York Times White House correspondent Sheryl Gay Stolberg, April 1. Tweets You Can't Beat "It's time for ‘Twitter Watch,' where we allow you to talk about us, talking about you. DonkeyLvr7 wonders, ‘Where's the investigation into the GOP's efforts to secretly manipulate Barack Obama's NCAA tournament picks?' DNCChairTK says House Republicans are the ‘Special Olympians of Congress.' Pow! Good one, TK." — MSNBC 1600 Pennsylvania Avenue host David Shuster reading "Twitter Mail," April 1. Commiserating with Flummoxed White House "Top White House officials confide they feel caught in a bind. Whenever they pretend to care about the populist backlash against Wall Street, they hear it from top Democrats like Chris Dodd, who fear a loss in campaign donations. But when they try to appease the business community, the public rises up and threatens their chances to succeed in this once-in-a-generation chance to enact universal health care. Being President, it turns out, Charlie, is a lot tougher than they ever imagined when we were ridiculing Bush on the campaign trail." — ABC's George Stephanopoulos on World News, April 1. Bill Maher Goes Down Under "In Australia, they've come to terms with the poisonous cane toads. They stick them in freezers to die, grind them up, and use them as mulch on the sugar cane fields. Why can't we do this with our toxic homegrown pests, with all of our American ingenuity? Who wouldn't want to euthanize Dick Cheney and toss his pellets to refertilize some humanity in Iraq?" — Bill Maher on his HBO Real Time, April 1. Admiring an Environmentalist's Principles [2]"We have an update of a story we first told you about two years ago. Colin Beavan won a lot of admirers for his devotion to our planet. To try and keep his carbon footprint to a bare minimum, Colin — dubbed ‘No Impact Man' — would not use modern transportation, only ate food grown close to his home, no electricity, and even no toilet paper. Last week, he came down with some sort of infection, but refused to ride in a gasoline-powered ambulance. Colin Beavan was admired by so many of us for his idealism; he was 45 years old." — Weatherman Sam Champion on ABC's Good Morning America, April 1. Wild Thing Chris Matthews: "Before we go, Democratic strategist Steve McMahon, there's a New York Times blogger who claims women are dreaming about having sex with Obama. Do you think that's just limited to women?" Democratic political consultant Steve McMahon: "Uh-" Matthews: "Sometimes, I think I'm in that movie Wild Things? Have you seen it? Pretty steamy. There's a three-way between Neve Campbell, Denise Richards and Matt Dillon....And, maybe, Neve Campbell represents America being embraced by the strong arms of Matt Dillon, who obviously represents Barack Obama....And in this scenario, I would be Denise Richards. I've often thought about the President pouring champagne over my bare chest." — MSNBC's Hardball, April 1. For all of the quotes in this issue, go to: www.mrc.org [3]. ________________________________________ Source URL: http://newsbusters.org/blogs/rich-no more

Resolved Question: What is installed capacity of electricity generation mean?

If a power plant is having 10 MW of installed capacity of electricity generation, what does it mean? It produces 10MW in 1 day(or) 1 hr(or) 1 month (or) 1year.What does it mean? more

Resolved Question: what should be the minimum speed of a shaft to generate electricity?

for a small power generation more

Resolved Question: If I am not a greenie and I agree with Andrew Bolt can it still make sense to get solar energy for my house?

I went to a seminar about it. With government rebate it costs just over $2000 for 1 kw system but with rising electricity prices and the government paying 60c per watt that is sold back into the grid it is conservative to say it pays for itself in 7 years. So would it make sense to get one simply for financial reasons even if I have doubts or don't believe pollution from coal based electricity generation contributes to greenhouse warming. PS I am from Australia and Andrew Bolt is a journalist for Victoria's Herald-Sun newspaper who doesn't believe in global warning. more

Resolved Question: physics question, electricity generation?

Electricity is generated at 11 kV but is transmitted for large distances across country at very high voltages (132 kV or 400 kV). What is the reason for using such high voltages? A It stops people going too near. B It increases the total amount of power generated. C It reduces the power cables’ resistance. D It reduces the amount of energy lost through heating of the cables. more

Resolved Question: What are the mechanics of noise generation in an MRI?

I had an MRI session today and again I'm wondering how the noise is generated. I've searched some on the web and asked the technicians, but no one has given a good explanation. Somewhere between no moving parts just radio frequency ... and very strong vibration in the materials of the machine I haven't found anyone who explains the mechanism. Are air molecules being moved by changes in magnetic field direction? Are radio frequency emissions in response to the Magnetic field(s) making molecules in the wires shake? What is the chain of cause and effect between electricity goes into the equipment and the clanging, bumping and whirring that accompanies generating the amazing images I got to take home a CD of? more

Voting Question: For Christians............?

How much do you know about advanced sustainable electricity generation? http://en.wikipedia.org/wiki/Electricity_generation more

Resolved Question: What 3 things would you most like to FINALLY get people to fully understand about the environment?

For me it would be: 1. Instead of all the fighting, arguing, name calling over global warming it is simple. The people who believe it make changes that they know they need to make. The people who don't believe it look at cfl's and led lighting, aerators, low flow shower heads, smart strips, etc. and realize that all save money in addition to any "green cause" and implement them for that reason if nothing else. 2. CFL's put less mercury in the environment than do incandescents if like most of the U.S. you get your electricity from coal fired power plants. 3. "Going green" is a relative term, all it is, is an attempt in some way to be less wasteful and to make life easier for you and future generations. If you are uncomfortable with all but one of the steps that are listed below and you do one of them then you went a step in the right direction. Here are some sites that help, also if you want this clarified a bit read my profile it is all there. http://ase.org/content/article/detail/965 http://www.energystar.gov/ia/partners/promotions/change_light/downloads/Fact_Sheet_Mercury.pdfGood points xarcanus but since lighting is around 24% of energy used in a home and cfl's save 75% of the energy that incandescents do (LEDs save even more) Which means that a SERIOUS amount of pollution that would spew from power plants and pollute the land I think a light bulb that anyone can change takes no technical knowledge and costs under $5 is very serious in taking care of our environment. more

Resolved Question: Are more carbon & gas emissions produced in making a solar panel than what they save in there life span?

I have heard it said the carbon, noxious gas and CFC emissions produced in making a solar electricity panel, exceed that which it is intended to reduce in it's life time. What I am told is that while a solar panel stops X amount of emissions by not being a fossil fuel generation source during it's life time of electricity production, the manufacture of it in the first place produces X + 25%. What is the truth? Any reputable websites you know of? I have searched and can't find any that I would consider credible or unbias.I think the first answerers are missing my point. A solar panel is made up of copper, aluminium, plastics, resins and other metals and chemicals that go into making one. It is suggested that the emissions required to make all those materials and then put it together to make a solar panel, plus the oxidization of some of those materials are creating more emissions in total, than emissions that would be produced from fossil fuel sources generating the same amount of electricity that a solar panel would do in it's life time. more

Resolved Question: What can we learn from Joe Republican?

A DAY IN THE LIFE OF JOE REPUBLICAN Joe gets up at 6 a.m. and fills his coffeepot with water to prepare his morning coffee. The water is clean and good because some tree-hugging liberal fought for minimum water-quality standards. With his first swallow of water, he takes his daily medication. His medications are safe to take because some stupid commie liberal fought to insure their safety and that they work as advertised. All but $10 of his medications are paid for by his employer's medical plan because some liberal union workers fought their employers for paid medical insurance - now Joe gets it too. He prepares his morning breakfast, bacon and eggs. Joe's bacon is safe to eat because some girly-man liberal fought for laws to regulate the meat packing industry. In the morning shower, Joe reaches for his shampoo. His bottle is properly labeled with each ingredient and its amount in the total contents because some crybaby liberal fought for his right to know what he was putting on his body and how much it contained. Joe dresses, walks outside and takes a deep breath. The air he breathes is clean because some environmentalist wacko liberal fought for laws to stop industries from polluting our air. He walks to the subway station for his government-subsidized ride to work. It saves him considerable money in parking and transportation fees because some fancy-pants liberal fought for affordable public transportation, which gives everyone the opportunity to be a contributor. Joe begins his work day. He has a good job with excellent pay, medical benefits, retirement, paid holidays and vacation because some lazy liberal union members fought and died for these working standards. Joe's employer pays these standards because Joe's employer doesn't want his employees to call the union. If Joe is hurt on the job or becomes unemployed, he'll get a worker compensation or unemployment check because some stupid liberal didn't think he should lose his home because of his temporary misfortune. It's noontime and Joe needs to make a bank deposit so he can pay some bills. Joe's deposit is federally insured by the FSLIC because some godless liberal wanted to protect Joe's money from unscrupulous bankers who ruined the banking system before the Great Depression. Joe has to pay his Fannie Mae-underwritten mortgage and his below-market federal student loan because some elitist liberal decided that Joe and the government would be better off if he was educated and earned more money over his lifetime. Joe is home from work. He plans to visit his father this evening at his farm home in the country. He gets in his car for the drive. His car is among the safest in the world because some America-hating liberal fought for car safety standards. He arrives at his boyhood home. His was the third generation to live in the house financed by Farmers' Home Administration because bankers didn't want to make rural loans. The house didn't have electricity until some big-government liberal stuck his nose where it didn't belong and demanded rural electrification. He is happy to see his father, who is now retired. His father lives on Social Security and a union pension because some wine-drinking, cheese-eating liberal made sure he could take care of himself so Joe wouldn't have to. Joe gets back in his car for the ride home, and turns on a radio talk show. The radio host keeps saying that liberals are bad and conservatives are good. He doesn't mention that the beloved Republicans have fought against every protection and benefit Joe enjoys throughout his day. Joe agrees: "We don't need those big-government liberals ruining our lives! After all, I'm a self-made man who believes everyone should take care of themselves, just like I have."Good night everyone. more

Resolved Question: what is the total energy consumption/generation by the UK every day/year. In Joules?

Would like to know how much electricity is consumed in the UK every day. Gas and oil consumption info is useful too but it would need to be converted into Joules which may be less accurate, given that we can't be sure that what % of energy available in oil &gas becomes useful input energy to the system it is used to power (we are ignoring energy wasted by efficiency loss in the machine, so for example we count a 1KW electric motor as requiring 1kW of power, and disregard what the motor may be driving). more

Resolved Question: Why is conservatism a mental disorder?

Example: A Day in the Life of Joe the Conservative Joe gets up at 6 a.m. and fills his coffeepot with water to prepare his morning coffee. The water is clean and good because some liberal fought for minimum water-quality standards. With his first swallow of water, he takes his daily medication. His medications are safe to take because some liberal fought to ensure their safety and that they work as advertised. All but $10 of his medications are paid for by his employer’s medical plan because some liberal union workers fought their employers for paid medical insurance - now Joe gets it too. He prepares his morning breakfast, bacon and eggs. Joe’s bacon is safe to eat because some liberal fought for laws to regulate the meat packing industry. In the morning shower, Joe reaches for his shampoo. His bottle is properly labeled with each ingredient and its amount in the total contents because some liberal fought for his right to know what he was putting on his body and how much it contained. Joe dresses, walks outside and takes a deep breath. The air he breathes is clean because some liberal environmentalist fought for the laws to stop industries from polluting our air. He walks on the government-provided sidewalk to subway station for his government-subsidized ride to work. It saves him considerable money in parking and transportation fees because some liberal fought for affordable public transportation, which gives everyone the opportunity to be a contributor. Joe begins his work day. He has a good job with excellent pay, medical benefits, retirement, paid holidays and vacation because some liberal union members fought and died for these working standards. Joe’s employer pays these standards because Joe’s employer doesn’t want his employees to call the union. If Joe is hurt on the job or becomes unemployed, he’ll get a worker compensation or unemployment check because some liberal didn’t think he should lose his home because of his temporary misfortune. It is noontime and Joe needs to make a bank deposit so he can pay some bills. Joe’s deposit is federally insured by the FSLIC because some liberal wanted to protect Joe’s money from unscrupulous bankers who ruined the banking system before the Great Depression. Joe has to pay his Fannie Mae-underwritten mortgage and his below-market federal student loan because some liberal decided that Joe and the government would be better off if he was educated and earned more money over his lifetime. Joe also forgets that in addition to his federally subsidized student loans, he attended a state funded university. Joe is home from work. He plans to visit his father this evening at his farm home in the country. He gets in his car for the drive. His car is among the safest in the world because some liberal fought for car safety standards to go along with the tax-payer funded roads. He arrives at his boyhood home. His was the third generation to live in the house financed by Farmers’ Home Administration because bankers didn’t want to make rural loans. The house didn’t have electricity until some liberal stuck his nose where it didn’t belong and demanded rural electrification. He is happy to see his father, who is now retired. His father lives on Social Security and a union pension because some liberal made sure he could take care of himself so Joe wouldn’t have to. Joe gets back in his car for the ride home, and turns on a radio talk show. The radio host keeps saying that liberals are bad and conservatives are good. He doesn’t mention that the beloved Republicans have fought against every protection and benefit Joe enjoys throughout his day. Joe agrees: “We don’t need those big-government liberals ruining our lives! After all, I’m a self-made man who believes everyone should take care of themselves, just like I have.” more

Resolved Question: If France can, why can't we?

According to the available data, France currently generates 70% + of its electricity using nuclear power. Yet here in the United States we haven't broken ground for a new nuclear generating station in decades. We're still using coal, oil and natural gas to generate electricity. I can hear all the referneces to Chernobyl and Three Mile Island (TMI). Comparing the Russian reactors at Chernobyl to a then-current U.S. reactor is akin to comparing a skate board to a Ferrari. Our nuclear generating stations are immensely superior in every way to what the Russians built. As regards TMI, "Hanoi" Jane Fonda used it to promote her fantasy movie "The China Syndrome". To the best of my knowledge there were no deaths as a result of the release at TMI and only minor injuries. The entire event at TMI was blown way out of proportion. The environmental zealots are constantly attacking using coal, oil and natural gas and the mere mention of nuclear power causes them to hyperventilate and become hysterical. Their mantra is "Solar power! Wind power! Clean energy! Renewable energy!" While I've no argument with using clean energy sources I do doubt the feasibility of their supposed "solutions". Solar power is great - when the sun is shining. Wind power is wonderful - when the wind is blowing and if you don't mind killing migratory birds. But what happens with solar power during a period of overcast skies or heavy snow? What if a wind farm has to be shut down due to icing or high winds? Electricity is not easily stored for future use. Sure, we have batteries but they have their own set of problems. Batteries have to be manufactured and this requires energy, not to mention the environmental impact. Once their service life has expired batteries must be disposed of. Done improperly the result is environmental damage. Wet-cell batteries, like the one in your car, produce harmful fumes and can, under the right conditions, explode. Just think about having your basement full of lead acid batteries to store the electricity from your solar cells or wind turbine - knowing that the fumes being emitted are dangerous and the batteries could explode. Of course you could just do without electricity from dusk to dawn but I doubt we'll see too many opting for that hardship. So, in my opinion, we really have little choice except nuclear power generation. Oh, I can hear the howls of the environmentalists now as they babble about "How do we get rid of the spent fuel rods? They will be dangerous for hundreds or even thousands of years." Obviously France has figured out what to do with their spent fuel rods. Perhaps we should ak them. I believe that we have the technology to safely store spend fuel rods from nuclear generating stations. Lets look back in time to 1962 when JFK challenged the country to land a man on the moon and return him safely to earth. Engineering and design back then was done with a slide rule and a pencil. (The average 1996 car had more computing power under its hood than was available to the engineers and designers of the Apollo Project). Just look at bridges and highways built in the 1950's and '60's - and still in use today. I simply refuse to believe that with our technological advances the safe storage of spent fuel rods is beyond our abilities. As someone who has seen the ravages of strip mining and mountaintop removal I've no love for coal-fired generating stations. I'd rather see oil used to produce fuel for vehicles. Natural gas should be used for cooking and home heating. I spent 3 1/2 years working in the pipe support group at a nuclear generating station construction site back in the '80's. Unfortunately, the owner simply ran out of money and the project was abandoned. During construction, the plan was to close 3 dirty coal-fired plants once the nuke went on line. Just think of what that would have done to improve air quality. I saw first-hand the numerous safety measures designed into the plant as well as the near-unbelievable redundancy. One feed water pump (used to supply cooling water to the reactor) was capable of being used to cool both reactors - and each reactor had a primary and reserve feed water pump. That is redundancy. I believe we need a renewed dedication to nuclear power. more

Resolved Question: Did you know that Obama is planning to tax the working class to give to the rich and politically connected?

Barack Obama's Cap and Trade is a Tax on the working class Who Pays for Cap and Trade? Hint: They were promised a tax cut during the Obama campaign. http://online.wsj.com/article/SB123655590609066021.html -snip Politicians love cap and trade because they can claim to be taxing "polluters," not workers. Hardly. Once the government creates a scarce new commodity -- in this case the right to emit carbon -- and then mandates that businesses buy it, the costs would inevitably be passed on to all consumers in the form of higher prices. Stating the obvious, Peter Orszag -- now Mr. Obama's budget director -- told Congress last year that "Those price increases are essential to the success of a cap-and-trade program." Hit hardest would be the "95% of working families" Mr. Obama keeps mentioning, usually omitting that his no-new-taxes pledge comes with the caveat "unless you use energy." Putting a price on carbon is regressive by definition because poor and middle-income households spend more of their paychecks on things like gas to drive to work, groceries or home heating. The Congressional Budget Office -- Mr. Orszag's former roost -- estimates that the price hikes from a 15% cut in emissions would cost the average household in the bottom-income quintile about 3.3% of its after-tax income every year. That's about $680, not including the costs of reduced employment and output. The three middle quintiles would see their paychecks cut between $880 and $1,500, or 2.9% to 2.7% of income. The rich would pay 1.7%. Cap and trade is the ideal policy for every Beltway analyst who thinks the tax code is too progressive (all five of them). But the greatest inequities are geographic and would be imposed on the parts of the U.S. that rely most on manufacturing or fossil fuels -- particularly coal, which generates most power in the Midwest, Southern and Plains states. It's no coincidence that the liberals most invested in cap and trade -- Barbara Boxer, Henry Waxman, Ed Markey -- come from California or the Northeast. Coal provides more than half of U.S. electricity, and 25 states get more than 50% of their electricity from conventional coal-fired generation. In Ohio, it totals 86%, according to the Energy Information Administration. Ratepayers in Indiana (94%), Missouri (85%), New Mexico (80%), Pennsylvania (56%), West Virginia (98%) and Wyoming (95%) are going to get soaked. -snip Led by Michigan's Debbie Stabenow, 15 Senate Democrats have already formed a "gang" demanding that "consumers and workers in all regions of the U.S. are protected from undue hardship." In practice, this would mean corporate welfare for carbon-heavy businesses. And of course Congress is its own "stakeholder." An economy-wide tax under the cover of saving the environment is the best political moneymaker since the income tax. Obama officials are already telling the press, sotto voce, that climate revenues might fund universal health care and other new social spending. No doubt they would, and when they did Mr. Obama's cap-and-trade rebates would become even smaller. Cap and trade, in other words, is a scheme to redistribute income and wealth -- but in a very curious way. It takes from the working class and gives to the affluent; takes from Miami, Ohio, and gives to Miami, Florida; and takes from an industrial America that is already struggling and gives to rich Silicon Valley and Wall Street "green tech" investors who know how to leverage the political class."Did you know that Sen. McCain proposed the same plan?" Yes, I am and was fully aware of that "I wonder if the Right would be ranting and raving over it." We would and did. "Rather than overwrought and unsupported claims why don't the Right propose ALTERNATIVE SOLUTIONS?" We are. You should be dealing with what the article tells you instead of pointing fingers at McCain and Republicans. What McCain once proposed and the Republicans actions are irrelevant. What Obama is doing or planning to do, since he is in the White house right now, is relevant. Try to deal with something thats relevant."You people wanted a free market solution that made the businesses in control. They are." Thats news. Seems that government has its hand in everything now."However, we can avoid this tax by making our carbon footprint smaller - which somehow the questioner didn't take in to account." I didnt take it into account because I dont want to make it smaller. Making it smaller entails changing my behavior and/or the products I buy. I like the freedom of doing as I please without being forced to change via cap and trade taxes. "And, the same people who either pay the "tax" or cut their carbon use, also benefit: cleaner air," Cleaner air isnt going to happen. http://www.businessgreen.com/business-green/news/2213702/europe-cap-trade-scheme-hand http://www.financialpost.com/story.html?id=96dc23c8-33e2-45c4-bf6a-14aba852d764 "slowing of global warming" Global warming is a fraud. We humans do not have any control over it. "lower prices on low-carbon energy" No, HIGHER prices on low carbon energy."And, with a federal mandate existing, capitalists will have the political and economic groundwork to invest in carbon neutral (or better) manufacturing and power generation." They already have the "political and economic groundwork to invest in carbon neutral (or better) manufacturing and power generation". Its called freedom. A government mandate forcing them to do so is costly and disasterous.Still waiting for any Obama liberals to deal with the information contained within the article. ***crickets*** Oh come on, liberals. You all hold yourselves up as the big protecters of the little guy, the poor, the working class. Yet here is a piece of legislation that will cost them big time, Obama will hurt them big time, and you're absolutely silent. ***crickets*** Bueller? Bueller? Bueller? ***crickets*** more

Resolved Question: Does "Joe the republican" represent most of the republicans here on yahoo answers?

Resolved Question: Can I use a fan motor for electricity generation?

I would like to use a fan motor for electricity generation, Maybe 12/115v generation, I know i'd need a heck of a LOT RPM to generate electricity, But My question is, Can I hook it up to some LED and spin the shaft? Or is it not that simple?Well, I touched the terminals of the plug to my tongue and I only felt a SLIGHT zap like... maybe 0.5volts or something... its way too low, even if I just do a QUICK pull of a string on it wont be enough for it to generate enough for the LED.. -.-P.S, Can you only answer one time? like forums you can submit your question/answer more than once... is that possible here on Yahoo Answers? more

Resolved Question: Does backfeeding of the excitation current going to the field coils of an electric generator ever occur?

Modern electric generation power plants do not use permanent magnets but rather use current driven field coils. It is my understanding that the field coil current is generated by a separate smaller generator to excite the field coils of the larger. But it seems to me that the magnetic force caused by the current in the coils that are generating electricity (the armature) would be far greater than the magnetic field caused by the current in the field coils coming from the small generator. I am assuming here that the armature windings are going directly into the grid and so they have lots of current going to them. So what prevents the current from going the opposite direction in a modern electric generator, i.e. to cause a backfeeding of electric current into the field coils? This is confusing because the armature windings that generate the electric current can be either in the stator or the rotor, so that isn't part of the reason why. more

Resolved Question: a new generation airconditioning system?

some type of electronic junction principle instead of compressor which will allow us to reduce the electricity bill. more

Resolved Question: best poem ever written...........?

We use it to light but at what cost nothing to be gained but all to be lost it does not think before it strikes would burn a saint and a sinner alike But when we went further with this infernal light we made it the human race's eventual blight electricity was born from an inferno in hell that brought to us a sloth like spell Soon TV and videos were created All the while morals and values were slated Today kids would rather watch TV and sit inside and into that demonic contraption they confide They remain oblivious to the trap it has brought in sacrificing an individual's mind and thought We will relinquish the knowledge generations have found and the government will watch us like a vigilant hound They will manipulate what we love and fear And determine who we hold dear Then we will live in a culture full of flashing lights and sound Until the one day Fire will bring it crashing to the ground more