A) \[\frac{2M}{\pi }\]
B) \[\frac{M}{\pi }\]
C) \[M\]
D) \[M\pi \]
Correct Answer: A
Solution :
Magnetic moment \[M=m\times L\] On benting as a semicircle \[L=\pi r\] New magnetic moment \[M=m\times 2r\] \[=m\times \frac{2L}{\pi }=\frac{2M}{\pi }\]You need to login to perform this action.
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