A length of metal wire has a radius of 5.00 103 m and a
Chapter 17, Problem 17.57(choose chapter or problem)
A length of metal wire has a radius of 5.00 103 m and a resistance of 0.100. When the potential difference across the wire is 15.0 V, the electron drift speed is found to be 3.17 104 m/s. On the basis of these data, calculate the density of free electrons in the wire.
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