A length of metal wire has a radius of 5.00 × 10−3 m and a resistance of 0.100 Ω. When the potential difference across the wire is 15.0 V, the electron drift speed is found to be 3.17 × 10−4 m/s. On the basis of these data, calculate the density of free electrons in the wire.
A length of metal wire has a radius of 5.00 × 10−3 m and a resistance of 0.100 Ω. When the potential difference across the wire is 15.0 V, the electron drift speed is found to be 3.17 × 10−4 m/s. On the basis of these data, calculate the density of free electrons in the wire.
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter28: Current And Resistance
Section: Chapter Questions
Problem 67PQ
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A length of metal wire has a radius of 5.00 × 10−3 m and a resistance of 0.100 Ω. When the potential difference across the wire is 15.0 V, the electron drift speed is found to be 3.17 × 10−4 m/s. On the basis of these data, calculate the density of free electrons in the wire.
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