The energy U stored in a charged capacitor is given by U=21CV2, where V is the potential difference across it and C is its capacitance. Choose the correct dimensional formula of capacitance C.
a) [M−1L−2T2I2]
b) [ML−2T4I−2]
c) [M−1L−2T4I2]
d) [M−2L−2T4I2]