Relay-contact NOR gates can be formed using either just two control relays, or with three control relays.
When only two control relays are used, the inputs to a wired ________________________ - ______ gate are used to create the NOR Gate: two sets of __________ contacts, one set on each of two control relays, are wired in series in the same rung of a ladder diagram to form the NOR-gate output.
A) Bubbled-AND; NC
B) Bubbled-NAND; NO
C) Bubbled-AND; NO
D) Bubbled-NAND; NC
Show Answer
Answer:A
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