Magnets are used in telephones' speakers to make vibrations of air (sounds)
Telephone, television, radio, and Internet all use magnets to aid the communication.
Telephone, television, radio, and internet all use magnets to aid the communication.
Because you know how magnets work.
Telephone, television, radio, and Internet all use magnets to aid the communication.
computers telephone recievers refridgerator etc
electronic magnets as they work with electricity produced
Magnets
Like magnets.
Yes.
no
Rusty magnets can still attract and repel other magnets like regular magnets. The presence of rust on the surface does not significantly affect the magnetic properties of the magnet itself. However, excessive rust or corrosion may weaken the overall strength of the magnet.
Wiki has a couple good articles that will help you. Look up "Speaker" Look up "Microphone" Every phone has one of each and both involve magnets.