A copper wire has a nominal diameter of 1.02 mm. This wire carries a constant current of 1.67 A. The density of free electrons is 8.5 × 1028 electrons per cubic meter. Find the magnitudes of (a) the current density and (b) the drift velocity

A copper wire has a nominal diameter of 1.02 mm. This wire carries a constant current of 1.67 A. The density of free electrons is 8.5 × 1028 electrons per cubic meter. Find the magnitudes of (a) the current density and (b) the drift velocity

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section: Chapter Questions

Problem 15P: If the current carried by a conductor is doubled, what happens to (a) the charge carrier density,...

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Question

A copper wire has a nominal diameter of 1.02 mm. This wire carries a constant current of 1.67
A. The density of free electrons is 8.5 × 1028 electrons per cubic meter. Find the magnitudes of
(a) the current density and (b) the drift velocity

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