1.

A circular coil of diameter 7cm has 24 turns of wire carrying current of 0.75A. The magnetic moment of the coil is [AMU (Med.) 1999]

A.            \[6.9\times {{10}^{-2}}amp-{{m}^{2}}\]                       
B.            \[2.3\times {{10}^{-2}}amp\text{-}\,{{m}^{2}}\]
C.            \[{{10}^{-2}}amp-{{m}^{2}}\]
D.                 \[{{10}^{-3}}amp-{{m}^{2}}\]
Answer» B.            \[2.3\times {{10}^{-2}}amp\text{-}\,{{m}^{2}}\]


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