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

Q. 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

1. 62 x 105 V/m
2. 72 x 105 V/m
3. 82 x 105 V/m
4. 92 x 105 V/m

Answer: 72 x 105 V/m