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Question

A circular coil of radius 4 cm and of 20 turns carries a current of 3 amperes. It is placed in a magnetic field of intensity of 0.5 weber/m2. The magnetic dipole moment of the coil is

A
0.15 amperem2
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B
0.3 amperem2
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C
0.45 amperem2
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D
0.6 amperem2
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