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 activated, the relay-logic output, taken at the common node forming the OR gate of the two series-connected relay-contact inputs, is ___________________ (zero or 120) volts.
A) 120
B) either zero or 120
C) neither zero nor 120
D) zero
Show Answer
Answer:A
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