the national grid
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4 Terms
1
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power stations
generate electricity at an alternating current
2
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step - up transformers
used to increase the potential difference from the power stations to the transmission cables
3
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cable lines
transfer electrical current over long distances from the step-up transformers to step down transformers
4
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step down transformers
are used to decrease the potential difference to safe levels from the transmission cables to the mains supply in homes
Note 
Flashcards (26)