Question

A generating station is producing 1.2x106W of power that is to be sent to a small town located 7 km away

A generating station is producing 1.2x106W of power that is to be sent to a small town located 7 km away. each of the 2 wires that comprise the transmission line has a resistance has a resistance per kilometer of 5.0×10(-2) ohms/km.
a) Find the power lost in heating the wires if the power transmitted is at 1200 V.
b) A 100:1 step up transformer is used to raise the voltage before the power is transmitted. How much powert is lost in heating the wires?

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