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NEET2008PhysicsMagnetic Effects of CurrentActual

The ratio of magnetic fields on the axis of a circular current carrying coil of radius (a ) to the magnetic field at its centre will be

Options

  1. A( 1 (1+ x^2 a^2 )^ 3 / 2 )
  2. B( 1 (1+ a^2 x^2 )^ 1 / 2 )
  3. C( 1 (1+ a^2 x^2 )^2 )
  4. D( 1 (1+ a^2 x^2 )^3 )

Correct answer

A. ( 1 (1+ x^2 a^2 )^ 3 / 2 )

Step-by-step solution

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