A magnet of total magnetic moment is placed in a time-varying magnetic field, where B=1 Tesla and w=0.125 rad/s. The work done for reversing the direction of the magnetic moment at t=1 second, is:
0.01 J
0.007 J
0.028 J
0.014 J
Work done in rotating a bar magnet -
Or
-
0.01 J
Option 2)0.007 J
Option 3)
0.028 J
Option 4)0.014 J
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