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13 cards from this deck
System of cables & transformers linking power stations to consumers across the UK
Change the potential difference
Increases potential difference
From power station to National Grid
P=VimesIP = V imes IP=VimesI
Current reduces
Less energy loss due to resistance
Decreases potential difference
From National Grid to consumers
Consumer safety
Resistance of the wires
Always
Lower current means less energy lost to resistance
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