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July 31, 2015

Homework Help: Physics 212

Posted by Marcu on Monday, January 6, 2014 at 10:44am.

Two copper wires have equal lengths, but the diameter of one is three times that of the other.
a) The resistance of the thinner wire is _____ times that of the thicker wire: (Prove your work)
1) 3
2) 1/3
3) 9
4) 1/4

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