Exam-style question
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What does the peak value of an alternating current (AC) graph represent?.
- A.The average current over one cycle
- B.The maximum current reached in one cycle
- C.The minimum current reached in one cycle
- D.The frequency of the current
Model answer
What a good answer should say
- The maximum current reached in one cycle
Explanation
Why this works
The peak value is the highest point on the AC graph, indicating the maximum current that flows during one cycle. This shows the strength of the current at its highest point, which is crucial for understanding the performance of AC circuits.
Therefore, the peak value is essential for calculating power and understanding circuit behavior.
Common mistake
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