A permanent magnet is pushed into a coil of wire, left there for a while, and
then pulled out. When does a current run through the wire?
OA. As the magnet moves into and out of the coil
OB. Only when the magnet is first being pushed into the coil
OC. While the magnet remains within the coil
OD. From the time that the magnet is pushed in to the time it is pulled
out
