In terms of resistance R and time T , the dimensions of ratio $\;\large\frac{\mu}{\in}\;$ of the permeability $\;\mu\;$ and permittivity $\;\in\;$ is :

Question

$(a)\;[RT^{-2}] \qquad(b)\;[R^{2}T^{-1}]\qquad(c)\;[R^{2}]\qquad(d)\;[R^{2}T^{2}]$

Comments

wrong answer. c is the right answer