A cylindrical metal wire of radius 5mm carries a current of 1A. If the drift velocity of the electrons in it is vd = 2×10−5ms−1, how many mobile electrons are there per unit volume in the wire?
A cylindrical metal wire of radius 5mm carries a current of 1A. If the drift velocity of the electrons in it is vd = 2×10−5ms−1, how many mobile electrons are there per unit volume in the wire?
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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A cylindrical metal wire of radius 5mm carries a current of 1A. If the drift velocity of the electrons in it is vd = 2×10−5ms−1, how many mobile electrons are there per unit volume in the wire?
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