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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 =
- #Joint Entrance Examination Main
- #Engineering
- #Class 12
- #Electromagnetic Induction and Alternating currents
- #Physics
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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