The interactions between an electromagnet and a fixed permanent magnet are the basis of how electric motors (electricity to mechanical energy) and speakers (electricity to sound vibration) work.
(The interactions between an electromagnet and a fixed permanent magnet; are; the basis of how electric motors (electricity to mechanical energy) and speakers (electricity to sound vibration) work)
The interactions between an electromagnet and a fixed permanent magnet
are
the basis of how electric motors (electricity to mechanical energy) and speakers (electricity to sound vibration) work