Electrostatic and Capacitance
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

82 x 105 V/m
62 x 105 V/m
92 x 105 V/m
72 x 105 V/m

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Electrostatic and Capacitance
The capacitance between two plates increases with

larger plate area and shorter distance between plates
shorter plate area and shorter distance between them
larger plate area, longer distance between plates and higher,applied voltage
shorter plate area and higher applied voltage

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