Question

How does a changing magnetic field affect a piece of copper wire?​

Answer 1

Answer: When you change the direction of the current, you also change the direction of the magnetic field. Because the magnetic field created by the electric current in the wire is changing directions around the wire, it will repel both poles of the magnet by bending away from the wire.

Step-by-step explanation:

Answer 2

The copper itself is not magnetic, but when its approached by magnets, the electrons on the surface of the copper being rotating. In an effort to resist the magnet's pull, the electrons briefly create their own magnetic field, which slows down the magnet's descent. Hope it helps