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A single current carrying loop of wire c...

A single current carrying loop of wire carrying current I flowing in anticlockwise direction seen from `+` ve `z` direction and lying in `xy` plane is shown in figure.The plot of `hat j` component of magnetic field (By) at a distance 'a' (less than radius of the coil) and on yz plane vs z coordinate looks like

A

B

C

D

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D
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