A conductor has a cross- sectional area of 2.3x106 m2 and the number of free electrons per unit volume is 8.5X1028 electron/m3. When the current is 9 A, find the drift speed (in mm/s) of the electrons. Use the charge of the electron to be 1.6x1019 C. Select one: А. О.29

A conductor has a cross- sectional area of 2.3x106 m2 and the number of free electrons per unit volume is 8.5X1028 electron/m3. When the current is 9 A, find the drift speed (in mm/s) of the electrons. Use the charge of the electron to be 1.6x1019 C. Select one: А. О.29

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter30: Magnetic Fields And Forces

Section30.3: Ørsted’s Discovery

Problem 30.2CE

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Question

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اختبار المد فيزياء عام. . .
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A conductor has a cross-
sectional area of 2.3x106
m2 and the number of free
electrons per unit volume is
8.5x1028 electron/m3. When
the current is 9 A, find the drift
speed (in mm/s) of the
electrons. Use the charge of
the electron to be 1.6x1019 C.
Select one:
А. О.29
B. 28.77
C. 0.38
D. 37.77
E. 0.20
O

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