In ___ transformers, when its primary is energized the secondary should never be open-circuited.
A. power
B. voltage
C. current
D. matching
Show Answer
Answer: C
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In ___ transformers, when its primary is energized the secondary should never be open-circuited.
A. power
B. voltage
C. current
D. matching
Answer: C
Share your understanding of this question with the correct explanation.