Moving charges through wires makes the wire magnetic.
Most important devices in modern electronics It is a temporary magnet made by placing a piece of iron inside a current carrying coil of wire.
Electromagnets only turn on when there is a current running through the wire It’s magnetic strength can increase when you add more turns to the wire.
Measure electric current with an electromagnet Used in dash board of a car to measure speed, temperature, gas ect.
Changes electrical energy to mechanical energy Uses an electromagnet to function properly. Fans, toys ect.