When a relay-logic Wired-NOR gate that utilizes three relays is employed in a motor control circuit ___

When a relay-logic Wired-NOR gate that utilizes three relays is employed in a motor control circuit,

The relay-logic output, taken on the load side of the NC inverting-relay contacts in another control line or rung, is 120 volts only when all of the parallel NO relay contacts in the Wired-OR gate controlling the third inverting-relay solenoid coil are ______________.

A) activated
B) at-rest
C) any of the answers
D) neither at-rest nor activated

Show Answer

Answer:B

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