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JIPMER2014PhysicsMagnetic Effects of Current

Magnetic field at point O will be

Options

  1. A₀ I 2 R interior
  2. B₀ I 2 R exterior
  3. C₀ I 2 R (1- I ) interior
  4. D₀ I 2 R (1+ I ) exterior

Correct answer

A. ₀ I 2 R interior

Step-by-step solution

Magnetic field at the centre of circular loop B= ₀ I 2 R interior.

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