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A current of 5 A passes through a copper conductor (resistivity = 1.7 x 108 Om) of %3D radius of cross-section 5 mm. Find the mobility of the charges if their drift velocity is 1.1 x 103 m/s

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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Ohm’s law is a prominent concept in physics and electronics. It gives the relation between the current and the voltage. It is used to analyze and construct electrical circuits. Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it.

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In a series of alternate pathways, the direction of least resistance is the actual or metaphorical route that offers the least resistance to forwarding motion by a given individual or body.

Question

A current of 5 A passes through a copper
conductor (resistivity = 1.7 x 108 Om) of
radius of cross-section 5 mm. Find the
mobility of the charges if their drift velocity is
1.1 x 103 m/s
1. 1.8 m2/Vs
2. 1.5 m?/Vs
3. 1.3 m?/Vs
4. 1.0 m?/Vs

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