Exam-style question
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In an emf-time graph, what does a peak represent?.
- A.The maximum rate of change of magnetic flux
- B.The maximum induced emf
- C.The average induced emf
- D.The minimum induced emf
Model answer
What a good answer should say
- The maximum induced emf
Explanation
Why this works
The peak of an emf-time graph indicates the highest value of induced emf during a cycle. This evidence shows that the induced emf reaches its maximum when the rate of change of magnetic flux is greatest.
The implication is that this peak value is critical for understanding the efficiency of energy transfer in electromagnetic systems. Thus, the conclusion is that the peak in the graph directly correlates to the maximum induced emf.
Common mistake
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