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ExamsNEETPhysics

The direction of current in the smaller circuit is

  1. clockwise
  2. anticlockwise
  3. always changes with time
  4. cannot be calculated E. answer required

Correct answer: anticlockwise

Solution

By Lenz’s law, the induced current in the smaller circuit must create a magnetic field that opposes the change in flux through it. For the given setup, that opposition requires an anticlockwise current.

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