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• Topic:

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A magnet of magnetic moment 20 C.G.S. units is freely suspended in a uniform magnetic field of intensity 0.3 C.G.S. units. The amount of work done in deflecting it by an angle of 30o in C.G.S. units is
(a) 6

(b) $3\sqrt{3}$

(c) $3\left(2-\sqrt{3}\right)$

(d) 3