A magnet is pushed into the center of a wire loop and then stops. what is the current in the wire loop when the wire stops moving? explain.

- - If the ends of the wire loop are open (not connected to anything)

then there's never any current in it, no matter what you do with the

magnet.

- - If there's some kind of conductor between the ends of the wire

loop, then

- - While you're pushing the magnet, a current is flowing in the wire.

The current creates a magnetic field around the wire, and some of

the energy you're using to push gets stored in the magnetic field.

- - When you stop pushing and the magnet stops moving, the energy

stored in the magnetic field keeps the current flowing in the wire for

a short time, and then everything stops.

This all happens so fast, and lasts for such a short time, that you'd

never notice it unless you were set up with special equipment to

measure it.