A copper wire of diameter D = 1mm is crossed by an intensity of 2A. knowing that the electron concentration is 8.45x1028 m-3, determine the rate at which the electrons are drawn. It is assumed that the wire is 2.5 m long and that it is subjected to a potential difference of 0.1 V. Then calculate the mobility of the electrons and deduce the conductivity of the wire.
A copper wire of diameter D = 1mm is crossed by an intensity of 2A. knowing that the electron concentration is 8.45x1028 m-3, determine the rate at which the electrons are drawn. It is assumed that the wire is 2.5 m long and that it is subjected to a potential difference of 0.1 V. Then calculate the mobility of the electrons and deduce the conductivity of 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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