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Question #76366

Electrical Engineering

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

Options:

A) 6.6 kV (r.m.s. value)/cm

B) 11 kV (r.m.s. value)/cm

C) 22 kV (maximum value)/cm

D) 30 kV (maximum value)/cm

Answer: jCorona usually occurs when the electrostatic stress in air around the conductor exceeds 30 kV (maximum value)/cm.

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