February 23, 2017

Homework Help: physics

Posted by lynette on Friday, September 17, 2010 at 10:52pm.

A high-voltage transmission line with a resistance of 0.28 /km carries a current of 1030 A. The line is at a potential of 720 kV at the power station and carries the current to a city located 165 km from the station.
(a) What is the power loss due to resistance in the line?
____________ W

(b) What fraction of the transmitted power does this loss represent?

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