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Discussion :: Electric Transmission and Distribution

  1. Corona usually occurs when the electrostatic stress in the air around the conductor succeeds
    2. A.
    30 kV (maximum value)/cm
    B.
    22 kV (maximum value)/cm
    C.
    11 kV (rms value)/cm
    D.
    6.6 kv (rms value)/cm

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    Answer : Option A

    Explanation :

    30 kV (maximum value)/cm

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