Exam-style question
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Which of the following describes the peak value of an alternating current?.
- A.The average current over one cycle
- B.The maximum current value in one cycle
- C.The minimum current value in one cycle
- D.The current value at the midpoint of a cycle
Model answer
What a good answer should say
- The maximum current value in one cycle
Explanation
Why this works
The peak value of an alternating current is defined as the maximum current that occurs during one complete cycle. It is not the average or minimum value.
Common mistake
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