Two long straight wires are parallel and 8.0 cm apart. They are to carry equal currents such

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Two long straight wires are parallel and 8.0 cm apart. They are to carry equal currents such that the magnetic field at a point halfway between them has magnitude 300μT.

(a) Should the currents be in the same or opposite directions?

(b) How much current is needed?

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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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Two long straight wires are parallel and 8.0 cm apart. They are to carry equal currents such

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a The currents must be opposite or antiparallel so ...View the full answer

Fundamentals of Physics

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