When a relay-logic Wired-Exclusive-NOR gate (formed with the combination NC — NO contacts of two relays and the inverting logic (NC contacts) of a third relay) is employed in a motor control circuit, and when either controlling relay is activated, the relay-logic output, taken on the load side of the NC inverting-relay contacts with the output of the common-node OR gate of the two Wired-AND gate outputs controlling the inverting-relay solenoid coil, is ____________ volts.
A) 120
B) none of the answers
C) either zero or 120
D) zero
Show Answer
Answer:D
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