In terms of resistance $R$ and time $T$, the dimensions of ratio $\frac{\mu } {\varepsilon }$ of the permeability $\mu $ and permittivity $\varepsilon $ is
In terms of resistance $R$ and time $T$, the dimensions of ratio $\frac{\mu } {\varepsilon }$ of the permeability $\mu $ and permittivity $\varepsilon $ is
- [JEE MAIN 2014]
- A
$\left[ {R{T^{ - 2}}} \right]$
- B
$\left[ {{R^2}{T^{ - 1}}} \right]$
- C
$\left[ {{R^2}} \right]$
- D
$\left[ {{R^2}{T^2}} \right]$
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- [AIIMS 2007]
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- [JEE MAIN 2021]
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