1.

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\[weber/{{m}^{2}}\]. The magnetic dipole moment of the coil is                                    [MP PMT 2001]

A.            0.15 \[ampere-{{m}^{2}}\]    
B.            0.3 \[ampere-{{m}^{2}}\]
C.            0.45 \[ampere-{{m}^{2}}\]    
D.            0.6 \[ampere-{{m}^{2}}\]
Answer» C.            0.45 \[ampere-{{m}^{2}}\]    


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