When a PB-switch-logic Wired-NOR gate is employed in a motor control circuit,
The PB-switch-logic output, taken on the load side of the last set of series-connected NC switch contacts, is zero volts when any of the switching contacts are ______________.
A) at-rest
B) activated
C) neither activated nor at-rest
D) none of the answers
Show Answer
Answer:B
Share your understanding of this question with the correct explanation.