(a) A current i flow down a wire of radius a (1)if it is uniformly distributed over the surface,what is the surface current density k?

University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
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Chapter9: Current And Resistance
Section: Chapter Questions
Problem 90CP: What is the current through a cylindrical wire of radiusR = 0.1 mm if the current density is J=J0Rr...
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(a) A current i flow down a wire of radius a (1)if it is uniformly distributed over the surface,what is the surface current density k?
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