Interruption of large currents by relay requires Options: A . &nbsparc suppressing blow out coils B . &nbspwide separation of the opened contacts C . &nbsphigh speed opening of contacts D . &nbspall of the above

Interruption of large currents by relay requires

Question

Interruption of large currents by relay requires

Options:

A . arc suppressing blow out coils

B . wide separation of the opened contacts

C . high speed opening of contacts

D . all of the above

Answer: Option D

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