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Question:

Why is it better to send 10,000 kW of electric power long distances at 10,000 V rather than at 220 V?

A) there is less heating in the transmission wiresB) the resistance of the wires is less at high voltagesC) more current is transmitted at high voltagesD) the insulation is more effective at high voltagesE) the iR drop along the wires is greater at high voltageHow does the voltage of the line affect the final power output? Thanks.

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