Question

Electricity is distributed from power stations to consumers along the National Grid. The voltage across the overhead cables of the National Grid needs to be much higher than the output voltage from the power station generators. Explain why

Answer 1

Answer:

Explanation:

The primary reason that power is transmitted at high voltages is to increase efficiency. ... The lower current that accompanies high voltage transmission reduces resistance in the conductors as electricity flows along the cables. This means that thin, light-weight wires can be used in long-distance transmission.