How does the strength of the Magnetic field at the centre of a circular coil of a wire depend on: radius of the coil number of turns in the coil

CBSE Class 10 CBSE Class 10 Science
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1

How does the strength of the Magnetic field at the centre of a circular coil of a wire depend on:

  1. radius of the coil
  2. number of turns in the coil.

Answer:

  1. More the radius weaker the field.
  2. Field strength is directly proportional to the number of turns in the coil.