The equation of alternating current is $I=I_0{e}^{-t/CR}$ where t is time, C is capacitance and R is resistance of coil, then the dimensions of C R is

• A

  $\left[ML{T}^{-1}\right]$

• B

  $\left[M^{0}LT\right]$

• C

  $\left[M^0{L}^{0}T\right]$

• D

  None of these