How does the strength of the Magnetic field at the centre of a circula – InterviewSolution

1.	How does the strength of the Magnetic field at the centre of a circular coil of a wire depend on:(a) radius of the coil (b) number of turns in the coil.
Answer» (a) More the radius weaker the field. (b) Field strength is directly proportional to the number of turns in the coil.

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