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Electricity and Magnetism
A toroidal solenoid with 400 turns of wire and a

A toroidal solenoid with 400 turns of wire and a mean radius of 6.0 cm carries a

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A toroidal solenoid with 400 turns of wire and a mean radius of 6.0 cm carries a current of 0.25 A. The relative permeability of the core is 80.
(a) What is the magnetic field in the core?
(b) What part of the magnetic field is due to atomic currents?

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IDENTIFY Use Eq2824 with 4 replaced by K4 with K 80 SET UP The contribution ...View the full answer

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College Physics

ISBN: 978-0321601834

7th edition

Authors: Jerry D. Wilson, Anthony J. Buffa, Bo Lou

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Question Posted: Apr 27, 2010 12:45 AM

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