Thursday 24
A magnet of magnetic movement 20CGs
units is freely suspended in a uniform
magnetic field of intensity 0.3 (Gs units.
the amount of work done sin deflecting
it by an angle of 30 in C. Gos unitsis.
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Answer:
Work done, W=−MBμ(1−cosθ)
=20×0.3(1−cos30o)
=61−23=3(2−3)
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