A) \[\frac{2e{{\mu }_{0}}nIR}{m}\]
B) \[\frac{e{{\mu }_{0}}nIR}{m}\]
C) \[\frac{e{{\mu }_{0}}nIR}{2m}\]
D) \[\frac{e{{\mu }_{0}}nIR}{4m}\]
Correct Answer: C
Solution :
\[B={{\mu }_{0}}ni\] \[\frac{m{{V}_{\max }}}{qB}=\frac{R}{2}\] \[{{V}_{\max }}=\frac{qBR}{2m}\] \[=\frac{qR{{\mu }_{0}}ni}{2m}\]
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