The current density in a copper wire of radius 0.750 mm is uniform. The wire's length is 5.00 m, the end-to-end potential difference is 0.200 V, and the density of conduction electrons is 8.10 × 1028 m-3. How long does an electron take (on the average) to travel the length of the wire?

The current density in a copper wire of radius 0.750 mm is uniform. The wire's length is 5.00 m, the end-to-end potential difference is 0.200 V, and the density of conduction electrons is 8.10 × 1028 m-3. How long does an electron take (on the average) to travel the length of the wire?

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter12: Electronic Control Devices

Section: Chapter Questions

Problem 14RQ

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The current density in a copper wire of radius 0.750 mm is uniform. The wire's length is 5.00 m, the end-to-end potential difference is 0.200 V, and the density of conduction electrons is 8.10 × 10²⁸ m^-3. How long does an electron take (on the average) to travel the length of the wire?

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