The National Grid

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  • Created by: Curlot
  • Created on: 04-07-13 17:21

Electricity that is generated in power stations is transferred everywhere by the National Grid.

Whilst overhead power lines are visually polluting they are more reliable and relativley easy to maintain compared with power cables underground, which are very costly to install.

Transformers are used to change potential difference of the alternating current supply before and after…


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