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The figure shows a circular coil and a l...

The figure shows a circular coil and a long straight wire `AB` placed close to each other, the wire being parallel to a diameter of coil. The arrows show directions of currents. The direction of magnetic force acting on `AB` is

A

out of the page

B

into the page

C

towards right

D

towards left

Text Solution

Verified by Experts

The correct Answer is:
D
Magnetic field due to ring is in upward direction
`vec(F)_(m) = i(- l hat(j) xx B hat(k)) = - i l B hat(i)`
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