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Discussion :: Circuit Breakers

  1. The contact resistance of a circuit breaker is. of the order of
    2. A.
    20 micro ohms ± 10
    B.
    20 milli ohms ± 10
    C.
    20 ohms ± 10
    D.
    200 ohms ± 10

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    Answer : Option A

    Explanation :

    20 micro ohms ± 10

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