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JEE Main2013PhysicsMagnetic Effects of CurrentActual

A current i is flowing in a straight conductor of length L . The magnetic induction at a point on its axis at a distance L 4 from its centre will be :

Options

  1. AZero
  2. B₀ i 2 L
  3. C₀ i 2 L
  4. D4 ₀ i 5 L

Correct answer

A. Zero

Step-by-step solution

Magnetic field at any point lies on axial position of current carrying conductor B =0

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