A single core cable used on 33000 V has a conductor diameter of 10 mm and an internal diameter of the sheath of 25 mm. The maximum electrostatic stress in the cable is____________?

A) 62 x 105 V/m

B) 72 x 105 V/m

C) 82 x 105 V/m

D) 92 x 105 V/m

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