A charge q is distributed uniformly around a thin ring of radius r. The ring is rotating

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A charge q is distributed uniformly around a thin ring of radius r. The ring is rotating about an axis through its center and perpendicular to its plane, at an angular speed w.

(a) Show that the magnetic moment due to the rotating charge has magnitude μ = 1/2qwr2.

(b) What is the direction of this magnetic moment if the charge is positive?

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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 25, 2011 05:18 AM

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A charge q is distributed uniformly around a thin ring of radius r. The ring is rotating

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a The period of rotation is T 2n and in this time all the charge passes any fixed poin...View the full answer

Fundamentals of Physics

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