8. What is the product of permeability of free space and permittivity is- ( i ) C ( i i ) C - 1 ( i i i ) C 2 ( i v ) C - 2 Share with your friends Share 1 Rekha Rai answered this answer will be (i) c -5 View Full Answer Aadharsh answered this option 4 = (10 to the power -2) -3