The dimension of $\frac {1}{2}\epsilon_0 E^2$ , where $\epsilon_0$ is permittivity of free space and E is electric field, is –

Question

( A ) $MLT^{-1}$
( B ) $ML^{2}T^{-1}$
( C ) $ML^{2}T^{-2}$
( D ) $ML^{-1}T^{-2}$