Determine the difference between permanent magnets and electromagnets.(1 point)
Responses
Electromagnets are made by using a power source.
Electromagnets are made by using a power source.
Permanent magnets have a north pole that attracts.
Permanent magnets have a north pole that attracts.
Electromagnets have a magnetic field around them.
Electromagnets have a magnetic field around them.
Permanent magnets are used to move heavy metals.
Permanent magnets are used to move heavy metals.