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Question:
We are doing a project on the principles of electricity and we would like the information on the following, nuclear, solar, and fossil fuels. Please send us information ASAP.



Replies:
Fossil fuels: coal, oil, natural gas
Solar: generally refers to direct solar (heating water or generating electricity in special cells) but could also include hydro-electric, ocean thermal, wind, and renewable bio-mass
Nuclear: fission plants provide a significant fraction of power in the U.S. (electrical) and more than half in some countries (France, Japan?) I am not sure what these have to do with the principles of electricity. Nearly all generators (except the solar cells) use essentially the same principle - a turbine based on something like high temperature steam transferring the energy to a rotating structure that uses the reverse principle of the electric motor to generate electricity. You will find a lot more information in encyclopedias.

Arthur Smith



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