A) \[M\propto \omega \]
B) \[M\propto {{\omega }^{2}}\]
C) \[M\propto \sqrt{\omega }\]
D) None of these
Correct Answer: A
Solution :
(a) \[M\propto \omega \] Magnetic moment, \[M=lA=l(\pi {{r}^{2}})=\frac{q}{T}\times \pi {{r}^{2}}\] As \[\omega =\frac{2\pi }{T}\therefore \,M=\frac{q\omega {{r}^{2}}}{2}\] or \[M\propto \omega \]
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