If $C$ and $R$ represent capacitance and resistance respectively, then the dimensions of $RC$ are
$\left[M L^0 T A^{-2}\right]$
$\left[M^0 L^0 T A^0\right]$
$\left[M^0 L^0 T^{-1}\right]$
not expressible in terms of $M, L$ and $T$
If $C$ and $R$ represent capacitance and resistance respectively, then the dimensions of $RC$ are
$RC = T$
$\because [R] = [M{L^2}{T^{ - 3}}{I^{ - 2}}]$ and
$[C] = [{M^{ - 1}}{L^{ - 2}}{T^4}{I^2}]$
$\because [R] = [M{L^2}{T^{ - 3}}{I^{ - 2}}]$ and
$[C] = [{M^{ - 1}}{L^{ - 2}}{T^4}{I^2}]$
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