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10 cards from this deck
System of cables & transformers linking power stations to consumers
Electrical power from power stations to consumers
Change the potential difference
Increase P.D.
Reduces the current (as P=VimesIP = V imes IP=VimesI)
Less energy loss due to resistance
Decrease P.D.
Essential for consumer safety
Resistance of the wires
When P.D. is high
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