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We could, like Michael Faraday, make some, using a coil of wire and a magnet. He used a coil of wire about the size of a hot dog, and magnets the size of a tomato to light up one electric light bulb. Imagine how big the coil of wire would have to be to light up the whole of your home. And what happens if someone wants to use the washing machine and watch television at the same time? Our domestic electricity needs alone are far more than could possibly be met with batteries or a basic generator. That is why we use power stations. |
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Power stations all over the country are busy moving magnets and coils of wire up and down to make enough electrical energy to power almost all the lights and computers and toasters in the country. But where do power stations get the energy they need to make the coils of wires and magnets move up and down? You cannot 'create' energy out of nothing, you have to transfer one form of energy into another.
(the picture of Little Barford power station at the top of the page is used by kind permission of RWE npower) |
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This page was last reviewed on:
16 July 2008 01:00:44.
If you are reading a page which is more than six months old, please contact the page owner (details at top of the page) to confirm the content is current.
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