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Magnetic moment of a bar magnet is M. the work done to turn the magnet by 90 degrees of magnet in direction of magnetic field B will be

Magnetic moment of a bar magnet is M. the work done to turn the magnet by 90 degrees of magnet in direction of magnetic field B will be

Grade:12th pass

1 Answers

Gitanjali Rout
184 Points
4 years ago
Work done is given by
W = MB(cos0 – cos90) = MB.
Hope it clears.

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