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Electricity and Magnetism
Auniform, 458-gmetal bar 75.0cm long carries a current I in

Auniform, 458-gmetal bar 75.0cm long carries a current I in a uniform, horizontal, 1.55-T magnetic field as

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Auniform, 458-gmetal bar 75.0cm long carries a current I in a uniform, horizontal, 1.55-T magnetic field as shown in Fig. The bar is hinged at b but rests unattached at a. What is the largest current that can flow from a to b without the electrical contact at a?

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AUpward 60.0°- be

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IDENTIFY The contact at a will break if the bar rotates about b The magnetic f...View the full answer

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University Physics with Modern Physics

ISBN: 978-0133977981

14th edition

Authors: Hugh D. Young, Roger A. Freedman

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Question Posted: Apr 05, 2010 12:28 AM

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