conductor

University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
Publisher:OpenStax
Chapter12: Sources Of Magnetic Fields
Section: Chapter Questions
Problem 47P: A long, solid, cylindrical conductor of radius 3.0 cm carries a current of 50 A distributed...
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A coaxial cable consists of a long thin wire surrounded by a cylindrical conductor of radius 5mm. A current of 30A flows to the right in the wire and an equal current flows to the left in the outer conductor. Find the magnetic field using Amperes Law at a point 3.5 mm from the central wire, and a point 3.5 cm from the central wire. Draw the magnetic field lines.

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