If the contact symbol on a PLC ladder logic rung is an examine on, then
A) power flows in the examine on contact if the field device is a NO contact and the contacts are in their normal position.
B) power flows in the contact if the input pin associated with the examine on contact has zero volts present.
C) the field device must be a NC type of contact.
D) the field device must be a NO type of contact.
E) None of the above
Correct Answer:
Verified
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