A small loop of wire of radius R carrying a constant current lies in the xy plane with its centre at the origin The component of

Question

A small loop of wire of radius R carrying a constant current lies in the xy plane with its centre at the origin The component of the magnetic field B at a point on the z axis at z R arising due to the current loop will decrease approximately as A B C D 1 Z 4 1 Z 1 1 3 Z Z 2

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