If L denotes the inductance of an inductor through which a current I is flowing, then the dimensional formula of $L{I}^2$ is

• A

  $\left[ML{T}^{-2}\right]$

• B

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

• C

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

• D

  not expressible in terms of M, L, T