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A metallic ring is dropped down, keeping its plane perpendicular to a constant and horizontal magnetic field. The ring enters the region of magnetic field at t = 0 and completely emerges out at t = T sec.The current in the ring varies as:

 

Option: 1


Option: 2


Option: 3


Option: 4


Answers (1)

When ring enters and leaves, then the field polarity of induced emf is opposite. Also, during the stay of ring completely in the field there is no induction.

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Sumit Saini

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