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July 3, 2015

Homework Help: university, physics.

Posted by Brette on Monday, November 19, 2012 at 2:30pm.

A length of wire has a radius of 3.00 ~ 10-3 m and a resistance of 0.200 . When the potential
difference across the wire is 10.0 V, the electron drift speed is found to be 2.98 ~ 10-4 m/s. On the
basis of these data, calculate the density of free electrons in the wire.

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