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September 21, 2014

Homework Help: physic

Posted by kris on Wednesday, August 4, 2010 at 1:16pm.

How much current will be flowing through a 57.0m length of copper wire with radius 5.7mm if it is connected to a source supplying 620V.
(The resistivity of copper is 1.68x10^-8ohm's.m

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