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April 19, 2014

Homework Help: Physics

Posted by Beth on Wednesday, June 13, 2012 at 9:15pm.

Two wires have the same length and the same resistance but are made up of different materials. The resistivities of these materials are 3.97 and 1.97 . Obtain the ratio of the smaller cross-sectional area to the greater cross-sectional area.

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