A) \[M\propto \omega \]
B) \[M\propto {{\omega }^{2}}\]
C) \[M\propto \sqrt{\omega }\]
D) none of these
Correct Answer: A
Solution :
Magnetic moment, \[M=IA=I\left( \pi {{r}^{2}} \right)=\frac{q}{r}\times \pi {{r}^{2}}\] As \[\omega =\frac{2\pi }{T}\,\,\,\,\therefore \,\,M=\frac{q\omega {{r}^{2}}}{2}\] or \[m\alpha \,\omega \]
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