N = 2.5103 wire turns are uniformly wound on a wooden toroidal core of very small cross-section.

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N = 2.5∙103 wire turns are uniformly wound on a wooden toroidal core of very small cross-section. A current I flows through the wire. Find the ratio η of the magnetic induction inside the core to that at the centre of the toroid.

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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Question Posted: Jun 14, 2010 04:44 AM

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N = 2.5103 wire turns are uniformly wound on a wooden toroidal core of very small cross-section.

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Suppose a is the radius of cross section of the core The windi...View the full answer

Fundamentals of Physics

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