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\[=[A{{L}^{2}}]\] \[\therefore \] \[=\frac{Angular\,\,momentum}{Magnetic\,\,momentum}\] \[=\frac{[{{M}^{1}}{{L}^{2}}{{T}^{-1}}]}{[A{{L}^{2}}]}=[M{{A}^{-1}}{{T}^{-1}}]\]
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