A) \[0.1\,\,A{{m}^{2}}\]
B) \[0.01\,\,A{{m}^{2}}\]
C) \[0.2\,\,A{{m}^{2}}\]
D) \[1.2\,\,A{{m}^{2}}\]
Correct Answer: A
Solution :
Similar to solution (1) New magnetic moment \[M'=\frac{2M}{\pi }=\frac{2mL}{\pi }=\frac{2\times 0.5\times 31.4\times {{10}^{-2}}}{3.14}=0.1\,amp\times {{m}^{2}}\]
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