The magnetic field at the center of a circula | vedclass

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Question

(B) The magnetic field $B$ at the center of a circular loop of radius $R$ carrying a current $I$ with $N$ turns is given by the formula: $B = \frac{\m

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Radius of the loop

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(B) The magnetic field $B$ at the center of a circular loop of radius $R$ carrying a current $I$ with $N$ turns is given by the formula: $B = \frac{\mu_0 N I}{2R}$.From this formula,it is clear that the magnetic field $B$ is directly proportional to the current $I$ and the number of turns $N$,and inversely proportional to the radius $R$ of the loop.Therefore,the magnetic field at the center is inversely proportional to the radius of the loop.

The magnetic field at the center of a circular loop carrying an electric current is inversely proportional to $..........$.

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