Q: A copper wire of 2mm diameter with conductivity of (5.8×107 1/Q.m) and electron mobility of (0.0032 m²/v.s ) is subjected to an electric field of ( 20 mV/m). Find: (a) The number of free electrons. (b) The current density. (c) The current flow in the wire.
Q: A copper wire of 2mm diameter with conductivity of (5.8×107 1/Q.m) and electron mobility of (0.0032 m²/v.s ) is subjected to an electric field of ( 20 mV/m). Find: (a) The number of free electrons. (b) The current density. (c) The current flow in the wire.
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter12: Electronic Control Devices
Section: Chapter Questions
Problem 14RQ
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