jCorona usually occurs when the electrostatic stress in air around the conductor exceeds?

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1869Electrical EngineeringMedium

A6.6 kV (r.m.s. value)/cm

B22 kV (maximum value)/cm

C30 kV (maximum value)/cm

D11 kV (r.m.s. value)/cm

Correct answer

C. 30 kV (maximum value)/cm

Explanation

The correct answer is 30 kV (maximum value)/cm.

jCorona usually occurs when the electrostatic stress in air around the conductor exceeds? - Answer and Explanation | Academy of Pakistan