Dimensions of resistance in an electrical circuit, in terms of dimension of mass M, of length L, of time T and of current I, would be
[ML2T-2]
[ML2T -1I-1]
[ML2T-3I-2]
[ML2T-3I-1]
According to Ohm’s law,
V=RI or R=VI Dimensions of V=Wq=ML2T−2[IT]
∴R=ML2T-2/ITI=ML2T-3I-2