A single core cable used on 33000 V has conductor diameter 10 mm and the internal diameter of sheath 25 mm. The maximum electrostatic stress in the cable is________?
A62 x 105 V/m
B92 x 105 V/m
C72 x 105 V/m
D82 x 105 V/m
Correct answer
C. 72 x 105 V/m
Explanation
The correct answer is 72 x 105 V/m.