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The intensity of magnetic field is H and moment of magnet is M. The maximum potential energy is
A. `MH`
B. `2MH`
C. `3MH`
D. `4 a MH`

1 Answer

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Best answer
Correct Answer - A
Potential energy `U=-MB costheta`
`implies U_(max)=MH(at theta=180^(@))`

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