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August 2, 2014

Homework Help: Physics

Posted by tom on Monday, July 15, 2013 at 3:31am.

You have a piece of copper with a volume of 2 cm3, and wish to form a wire having a resistance of
0.15 兌. How long should the wire be if the resistivity of copper is 1.72 亊 10-8 兌. m?

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