A closlly wound coil of 1000 turns and cross sectional area `2xx10^(-4) m^(2)` carries a current of 1.0 A.The magnetic moment of the coil is
A. `0.1Am^(2)`
B. `0.2 AM^(2)`
C. `0.4 Am^(2)`
D. `0.6 Am^(2)`

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Correct Answer - B
`M=nIA=1000xx1xx2xx10^(-4)=0.2 Am^(2)`

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