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ExamsNEETPhysics

The north pole of a magnet is brought near a metallic ring. The direction of the induced current in the ring will be

  1. Clockwise
  2. Anticlockwise
  3. Towards north
  4. Towards south

Correct answer: Anticlockwise

Solution

When the north pole of a magnet approaches a conducting ring, the magnetic flux through the ring increases. By Lenz's law, the induced current produces a magnetic field that opposes this increase, so the near face of the ring becomes a north pole. Using the right-hand rule, this corresponds to an anticlockwise current as seen from the magnet side.

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