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12 cards from this deck
System of cables & transformers linking power stations to consumers
Transfer electrical power from power stations to consumers
Change the potential difference
Increase potential difference
From power station to National Grid
High P.D. reduces current, so less energy lost in wires
Decrease potential difference
From National Grid to consumers
For consumer safety
Resistance of the wires
Yes, always (due to resistance)
Power=Voltage×CurrentPower = Voltage \times CurrentPower=Voltage×Current
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