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A constant current flows in a horizontal...

A constant current flows in a horizontal wire in the plane of the paper from east to west as shown in figure. The direction of magnetic field at a point will be North to south.

A

directly above the wire

B

directly below the wire

C

at a point located in the plane of the paper, on the nroth side of the wire

D

at a point located in the plane of the paper, on the south side of the wire.

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MODERN PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-EXERCISE
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