A magnet of magnetic moment 20 C.G.S. units is freely suspended in a u – McqOptions

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1.	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 [MP PET 1991]
A.	6
B.	\[3\sqrt{3}\]
C.	\[3(2-\sqrt{3)}\]
D.	\[3\]
Answer» D. \[3\]

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