A coaxial cable consists of a wire of radius a surrounded by a thin metal cylindrical shell

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A coaxial cable consists of a wire of radius a surrounded by a thin metal cylindrical shell of radius b. The wire has a uniform linear charge density λ > 0 and the outer shell has a uniform linear charge density -λ.
(a) Sketch the field lines for this cable.
(b) Find expressions for the magnitude of the electric field in the regions r ‰¤ a, a
A coaxial cable consists of a wire of radius a
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Physics

ISBN: 978-0077339685

2nd edition

Authors: Alan Giambattista, Betty Richardson, Robert Richardson

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