Which of the following devices can be used for switching the output of a discrete DC output module?
A. Transistor.
B. Triac.
C. relay.
D. either A or C.
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Answer: D
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Which of the following devices can be used for switching the output of a discrete DC output module?
A. Transistor.
B. Triac.
C. relay.
D. either A or C.
Answer: D
Share your understanding of this question with the correct explanation.