the work done is 0.8 J. How much work is done in moving it 30 degree further ?

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A magnet is parallel to uniform magnetic field . If it is rotated by 60 degree, the work done is 0.8 J. How much work is done in moving it 30 degree further ?
18
Oct
A magnet is parallel to uniform magnetic field . If it is rotated by 60 degree, the work done is 0.8 J. How much work is done in moving it 30 degree further ? A magnet is parallel to uniform magnetic field . If it is rotated by 60 degree the work done is 0.8 [...]
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