$q=C V$

${[C]=\left[\frac{q}{V}\right]=\frac{(A \times T)^{2}}{M L^{2} T^{-2}}}$

$=M^{-1} L^{-2} T^{4} A^{2}$

${[E]=\left[\frac{F}{q}\right]=\frac{M L T^{-2}}{A T}}$

$=M L T_{q}^{-3} A^{-1}$

$F=\frac{q_{1} q_{2}}{4 \pi \epsilon_{0} r^{2}}$

${\left[\epsilon_{0}\right]=M^{-1} L^{-3} T^{4} A^{2}}$

$\text { Speed of light } c=\frac{1}{\sqrt{\mu_{0} \in_{0}}}$

$\mu_{0}=\frac{1}{\epsilon_{0} c^{2}}$

${\left[\mu_{0}\right]=\frac{1}{\left[M^{-1} L^{-3} T^{4} A^{2}\right]\left[L T^{-1}\right]^{2}}}$

$=\left[M^{1} L^{1} T^{-2} A^{-2}\right]$