A) \[[M{{A}^{-1}}{{T}^{-1}}]\]
B) \[[{{M}^{-1}}A{{T}^{-1}}]\]
C) \[[MA{{T}^{-1}}]\]
D) \[[M{{A}^{-1}}T]\]
Correct Answer: A
Solution :
Angular momentum \[=l\omega =[{{M}^{1}}{{L}^{2}}{{T}^{-1}}]\] Magnetic moment = Current \[\times \]Area \[[A{{L}^{2}}]\] \[\therefore \] \[=\frac{\text{Angular}\,\text{momentum}}{\text{Magnetic}\,\text{moment}}\] \[=\frac{[{{M}^{1}}{{L}^{2}}{{T}^{-1}}]}{[A{{L}^{2}}]}\] \[=[M{{A}^{-1}}{{T}^{-1}}]\]
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