192k views
2 votes
If a bar magnet is falling through a loop of wire, the induced current in the loop of wire sets up a field which exerts a force on the magnet. This force between the magnet and the loop will be attractive when:

User Goldbullet
by
4.1k points

1 Answer

1 vote

Answer:

When the magnet is leaving the loop

Step-by-step explanation:

According to Lenz's law the direction of an induced current in a conductor will oppose the effect which produces it. As the current is induced in the wire loop and force is exerted on the magnet, the force between the magnet and the loop will be attractive when the magnet is leaving the loop because it's is the one that produces the effect which create the current.

User Roger Chan
by
4.6k points