pered section. The wire is copp= = a current. Assume that the curr rion area through the wire's widthn aL=4 m shown in section 2 is 2 me is 8.49 x 1020 m-³.What is the

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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According to the figure below, wire section I of diameter DI = 8R and wire section
2 of diameter D2- 4R connected by a tapered section. The wire is copper, its
resistivity = 1.69 x 10-8 Qm and carriers a current. Assume that the current is
uniformly distributed across any cross-section area through the wire's width. The
electric potential change V along the length L = 4 m shown in section 2 is 20 µV.
The number of charge carriers per unit volume is 8.49 x 1028 m-3.What is the drift
speed of the conduction electrons in section.
D1
Dol
(2)
(1)
O D
Transcribed Image Text:According to the figure below, wire section I of diameter DI = 8R and wire section 2 of diameter D2- 4R connected by a tapered section. The wire is copper, its resistivity = 1.69 x 10-8 Qm and carriers a current. Assume that the current is uniformly distributed across any cross-section area through the wire's width. The electric potential change V along the length L = 4 m shown in section 2 is 20 µV. The number of charge carriers per unit volume is 8.49 x 1028 m-3.What is the drift speed of the conduction electrons in section. D1 Dol (2) (1) O D
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