The most important use of magnets in the home, is the electric motors.
All electric motors use electromagnets .
Audiotape and videotape players have electromagnets called heads that record and read information on tapes coverd with tiny magnetic particles. Magnets in speakers transform the signal into a sound by making the speakers vibrate. An electromagnet called a deflection yoke in TV picture tubes helps form images on a screen. Magnetic tapes and disks. Powerful cranes use an electromagnetics to move scrap iron and steel, seperate metals for recycling.