Show that in general a long, straight bar of uniform cross-sectional area A with uniform lengthwise magnetization

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Show that in general a long, straight bar of uniform cross-sectional area A with uniform lengthwise magnetization M, when placed with its flat end against an infinitely permeable flat surface, adheres with a force given approximately by

F ≈ μ₀/2 AM²

Relate your discussion to the electrostatic considerations in Section 1.11.

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Classical Electrodynamics

ISBN: 978-0471309321

3rd Edition

Authors: John David Jackson

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Question Posted: Sep 08, 2011 08:50 AM

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Show that in general a long, straight bar of uniform cross-sectional area A with uniform lengthwise magnetization

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This problem is best solved by considering an image magnet The infinite permeability of the flat sur...View the full answer

Classical Electrodynamics

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