Question

A circular loop, carrying a current i, is kept near a long straight wire as shown in the figure. If a steady current i is flowing in the wire, the loop will



Options:


Move away from the wire


Move towards the wire

Remain stationary

Rotate about an axis normal to the wire

Answer 1

A circular loop, carrying a current i, is kept near a long straight wire as shown in the figure. If a steady current i is flowing in the wire, the loop will

Options:

Move away from the wire

Move towards the wire ☑️☑️

Remain stationary

Rotate about an axis normal to the wire

______________

A circular loop, carrying a current i, is kept near a long straight wire as shown in the figure. If a steady current i is flowing in the wire, the loop will Move towards the wire.

Answer 2

For the loop, using lenz's law, the force on the part which is nearer, due to the current in the long wire is attraction and force on the part which is further is repulsion.

F(attraction)>F(repulsion)

Hence loop moves towards the wire.

Answer:- B