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1. Why is it necessary to have the minus sign associated with the time rate of increase of magnetic flux on the right side of Faraday's law?

2. What is electromotive force?

3. What are the different ways in which an emf is induced around a loop?

4. To find the induced emf around a planar loop, is it necessary to consider the magnetic flux crossing the plane surface bounded by the loop?

5. Discuss briefly the motional emf concept.

6. What is Lenz's law?

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