A steady current I flows down a long cylindrical wire of radius a. Find the magnetic field both inside and outside if, a) The current is uniformly distributed over the outside surface of the wire. b) The current is distributed in such a way that J is proportional to s, the distance from the axis.

A steady current I flows down a long cylindrical wire of radius a. Find the magnetic field both inside and outside if, a) The current is uniformly distributed over the outside surface of the wire. b) The current is distributed in such a way that J is proportional to s, the distance from the axis.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter12: Sources Of Magnetic Fields

Section: Chapter Questions

Problem 45P: A long, straight wire of radius R caries a current I that is distributed uniformly over the...

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Question

Please solve it clearly

A steady current I flows down a long cylindrical wire of radius a. Find the magnetic field both inside
and outside if,
a) The current is uniformly distributed over the outside surface of the wire.
b) The current is distributed in such a way that J is proportional to s, the distance from the axis.

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