copper wire of 2mm diameter with conductivity of 5.8*10 7 S/m and electron mobility of 0.00032m 2 / V-s is subjected to an electric field of 20mV/m. Find (i) The charge density of free electrons (ii) The current density (iii) The current flowing in the wire (iv) The electron drift velocity
copper wire of 2mm diameter with conductivity of 5.8*10 7 S/m and electron mobility of 0.00032m 2 / V-s is subjected to an electric field of 20mV/m. Find (i) The charge density of free electrons (ii) The current density (iii) The current flowing in the wire (iv) The electron drift velocity
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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A copper wire of 2mm diameter with conductivity of 5.8*10 7
S/m and electron mobility of 0.00032m 2 / V-s is subjected to an
electric field of 20mV/m. Find
(i) The charge density of free electrons
(ii) The current density
(iii) The current flowing in the wire
(iv) The electron drift velocity
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