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AP EAMCET202527 May 2025Morning ShiftPhysicsMagnetic Effects of CurrentActual

If a wire of length ' L ' carrying a current ' i ' is bent in the shape of a semi-circular arc as shown in the figure, then the magnetic field at centre of the arc is

Options

  1. A_ o i 4 ~L
  2. B_ o i 2 ~L
  3. C_ o i 2 ~L
  4. D_ o i 4 ~L

Correct answer

A. _ o i 4 ~L

Step-by-step solution

No Solution

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