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Let \( \varepsilon_{0} \) denotes the dimensional formula of the permittivity of the vacuum, and \( \mu_{0} \) that of the permeability of the vacuum. If \( M= \) mass, \( L= \) length, \( T= \) time and \( I= \) electric current
(a) \( \varepsilon_{0}=\left[\mathrm{M}^{-1} \mathrm{~L}^{-3} \mathrm{~T}^{2} \mathrm{I}\right] \)
(b) \( \varepsilon_{0}=\left[\mathrm{M}^{-1} \mathrm{~L}^{-3} \mathrm{~T}^{4} \mathrm{I}^{2}\right] \)
\( \mathrm{P} \)
(c) \( \mu_{0}=\left[\mathrm{MLT}^{-2} \mathrm{I}^{-2}\right] \)
(d) \( \mu_{0}=\left[\mathrm{ML}^{2} \mathrm{~T}^{-1} \mathrm{I}\right] \)
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