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AP EAMCET202522 May 2025Evening ShiftPhysicsMagnetic Effects of CurrentActual

The magnetic field at the centre of a current carrying circular coil of radius R is B_c and the magnetic field at a point on its axis at a distance R from its centre is B_a . The value of B_c B_a is

Options

  1. A2
  2. B1 2 2
  3. C2 2
  4. D1 2

Correct answer

C. 2 2

Step-by-step solution

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