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April 1, 2015

Homework Help: physics - trans. line

Posted by lo on Tuesday, July 20, 2010 at 1:06am.

A high-voltage transmission line with a resistance of 0.30 /km carries a current of 1040 A. The line is at a potential of 680 kV at the power station and carries the current to a city located 159 km from the station.
(a) What is the power loss due to resistance in the line?
b) What fraction of the transmitted power does this loss represent?

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