Exam-style question
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What happens to the induced emf when the rate of change of magnetic flux linkage increases?.
- A.The induced emf decreases
- B.The induced emf remains constant
- C.The induced emf increases
- D.The induced emf becomes zero
Model answer
What a good answer should say
- The induced emf increases
Explanation
Why this works
According to Faraday's law of electromagnetic induction, the induced emf is directly proportional to the rate of change of magnetic flux linkage. Therefore, if the rate of change increases, the induced emf also increases.
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