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ELECTRICIAN KERALA STATE WATER TRANSPORT KERALA
035/2016
KERALA PSC
1. A contactor coil is designed for 220V DC. What happens if it is connected to 220 V AC?
(A): It draws the same current
(B): It works better
(C): Too large a current is drawn by the coil and it is destroyed
(D): Too small a current is drawn by the coil and the operation of the contactor is no longer certain
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