A silver wire 2.6 mm in diameter transfers a charge of 420 C in 80 min. Silver contains 5.8x102 free electrons per cubic meter. What is the magnitude of the drift velocity (in × 10-6 m/s) of the electrons in the wire? (e = 1.60 x 10-19C) %3D

A silver wire 2.6 mm in diameter transfers a charge of 420 C in 80 min. Silver contains 5.8x102 free electrons per cubic meter. What is the magnitude of the drift velocity (in × 10-6 m/s) of the electrons in the wire? (e = 1.60 x 10-19C) %3D

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 17P

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Concept explainers

Resistivity

Resistivity is a characteristic property of the conductor’s material that measures the extent to which the material opposes the flow of current. It is denoted by the Greek letter “rho”. Electrical resistivity, also known as specific resistance, depends on the nature of the material of the conductor and is unaffected by its dimensions.

Question

Q.
A silver wire 2.6 mm in diameter transfers a charge of 420 C in 80 min. Silver contains 5.8x10283 free electrons
per cubic meter. What is the magnitude of the drift velocity (in x 10-6 m/s) of the electrons in the wire? (e =
1.60 x 10-19C)
A
D
1.78
2.78
3.36
4.50
5.30

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