A
relay performs the function of
Fault isolation
Fault detection
Fault prevention
All
of the above
Fault detection
A
relay performs the function of fault detection.
Hence, the correct option is (B)
&Key Points:-
Relay
are normally used in equipments, where switching is required due to fault
detection in a control circuit. Preventive relay are used to detect over
current, overload, undercurrent and reverse current to ensure the protection of
electronic equipment.
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