Physics
Electricity and Magnetism
A long wire is known to have a radius greater

A long wire is known to have a radius greater than 4.0 mm and to carry a

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A long wire is known to have a radius greater than 4.0 mm and to carry a current that is uniformly distributed over its cross section. The magnitude of the magnetic field due to that current is 0.28mT at a point 4.0 mm from the axis of the wire, and 0.20mT at a point 10 mm from the axis of the wire. What is the radius of the wire?

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Using Eq 2920 and Eq 2917 we have B 2R B 2012 wh...View the full answer

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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Question Posted: Jan 22, 2011 04:42 AM

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