A rectangular loop carrying a current ‘i’ is situated near a long straight wire such that the wire is parallel to one of the sides of the loop and is in the plane of the loop. If steady current I is established in the wire as shown in figure, the loop will

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Rotate about an axis parallel to the wire

Move away from the wire

Move toward the wire

Remain stationary

answer is C.

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Detailed Solution

Attractive force with wire (1) is F1 . And the repulsive force with wire (2) is F2Now, F1→>F2→ So, on a net the loop will feel net attractive force, Hence it will move towards the wire.

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