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