A) \[\omega \,\text{and}\,q\]
B) \[\omega \,\,q\,\text{and}\,m\]
C) \[q\,\,\text{and}\,m\]
D) \[\omega \,\text{and}\,m\]
Correct Answer: C
Solution :
The effective current \[i=\frac{q\omega }{2\pi }\]and \[A=\pi {{r}^{2}}\]. Magnetic moment \[M=iA=\frac{1}{2}q\omega {{r}^{2}}\] Angular moment \[L=I\omega =m{{r}^{2}}\omega \]Þ \[\frac{M}{L}=\frac{q}{2m}\]
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