A rectangular loop of wire with dimensions shown in figure is coplanar with a long wire carrying current I. The distance bet-ween the wire and the left side of the loop is r. The loop is pulled to the right as indicated. What are the directions of the induced current in the loop and the magnetic forces on the left and the right sides of the loop when the loop is pulled?

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Induced current Force on left side Force on right sideCounterclockwise To the left To the left

Induced current Force on left side Force on right sideCounterclockwise To the right To the left

Induced current Force on left side Force on right side clockwise To the right To the left

Induced current Force on left side Force on right side clockwise To the left To the right

answer is D.

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Detailed Solution

As the flux decreases, to maintain flux, current in the loop is clockwise. Force on DA due to the long wire is towards left while on BC is towards right.

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