$$ q=C V $$ $$ \begin{aligned} & {[C]=\left[\frac{q}{V}\right]=\frac{(A \times T)^2}{M L^2 T^{-2}}} \\ & =M^{-1} L^{-2} T^4 A^2 \\ & {[E]=\left[\frac{F}{q}\right]=\frac{M L T^{-2}}{A T}} \\ & =M L T^{-3} A^{-1} \\ & F=\frac{q_1 q_2}{4 \pi \epsilon_0 r^2} \\ & {\left[\epsilon_0\right]=M^{-1} L^{-3} T^4 A^2} \end{aligned} $$ Speed of light $$ c=\frac{1}{\sqrt{\mu_0 \epsilon_0}} $$ $$ \begin{aligned} & \mu_0=\frac{1}{\epsilon_0 c^2} \\ & {\left[\mu_0\right]=\frac{1}{\left[M^{-1} L^{-3} T^4 A^2\right]\left[L^{-1}\right]^2}} \\ & =\left[M^1 L^1 T^{-2} A^{-2}\right] \end{aligned} $$