A circular loop of radius $r$ is carrying current I A. The ratio of magnetic field at the center of circular loop and at a distance r from the center of the loop on its axis is : - DASH

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Question

A circular loop of radius $r$ is carrying current I A. The ratio of magnetic field at the center of circular loop and at a distance r from the center of the loop on its axis is :

3$\sqrt2$ : 2

1 : 3$\sqrt2$

2$\sqrt2$ : 1

1 : $\sqrt2$

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