sources of energy

Essay specific features

 

Issue:

Science

 

Written by:

Allison B

 

Date added:

April 18, 2015

 

Level:

University

 

Grade:

A

 

No of pages / words:

6 / 1640

 

Was viewed:

4362 times

 

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Essay content:

There is enough solar radiation striking the surface of the earth to provide all of our energy needs. There are two main ways of using solar energy to produce electricity. These are through the use of solar cells and solar thermal technology. Using solar technologies to generate electricity is, at present, more expensive than using coal-fired power stations, but it produces much less pollution...
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Solar cells are used in three main ways. They are used in small electrical items, like calculators, and for remote area power supplies, like telephones and space satellites. They are also used on a larger scale to supply electricity through energy authorities such as energex and Ergon. Solar cells are used to a limited extent in the development of solar-powered vehicles...
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