Home » The resistivity of rubber insulation is about Electrical Cables MCQs The resistivity of rubber insulation is about January 21, 2022 2 Views Q. The resistivity of rubber insulation is about A. 10^17 Ω-m B. 10^-17 Ω-m C. 10^10 Ω-m D. 10^27 Ω-m Answer: 10^17 Ω-m
The insulation resistance of a cable of length 10 km is 1 Mega ohm. Its resistance for 50 km length will be