Question: A suitable section for a Copper cable through which a short-circuit current of 40,000 A passes in a circuit protected by a circuit breaker

A suitable section for a Copper cable through which a short-circuit current of 40,000 A passes in a circuit protected by a circuit breaker with a tripping time of 600 ms is: Select one: a, 300 mm2 b. 400 mm2 c. 500 mm2 d. None of the mentioned

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