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Marsha Said:Does Solar energy form emit greenhouse gasses or other polluants?We Answered:Solar energy creates pollution in the creation of the actual solar cells. However, this pollution is much less than normal methods of producing power (see first link). The energy created by solar power is pollution-free as it works on...
Clifton Said:How much energy is generated from renewable/alternate energy sources?We Answered:Not a lot. I don't have specifics, but in terms of total US energy uses, renewable accounts for probably less than 10%, and most of that is hydroelectric. Wind power and solar account for very small fractions, and...
Kathleen Said:Can i make a solar cell from many small signal diodes like in this picture?We Answered:Yes. Those are the same diodes I told you that you could use in your previous question.Arlene Said:Whats the difference between Solar cell and a photo diode?We Answered:The photodiode is like a switch: light...
Amanda Said:how does a solar powered ceiling fan work?We Answered:What is the voltage of the panel? In any case, 15 watts is pretty small for this. The 7 amp charge controller is pretty powerful on the other hand. Missing is the panel voltage, the battery voltage, and the current drawn by...
Shirley Said:What is the future of solar industry investments, especially Chinese companies YGE and JASO ?We Answered:I think solar is over hyped. Not enough energy, too expensive, not durable enough yet, technology needs to improve. The biggest gains in non polluting energy will come from nuclear, wind, hydroelectric (dams &...
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