When a relay-logic Wired-Exclusive-NOR gate, formed with the combination NC — NO contacts of two relays, is employed in a motor control circuit,
When both relays are at-rest, the relay-logic output, taken at the common node forming the OR gate of the two series-connected relay-contact inputs, is __________ volts.
A) none of the answers
B) 120
C) zero
D) either 120 or zero
Show Answer
Answer:B
Share your understanding of this question with the correct explanation.