Electronics notes/Solenoids
Flyback protection
Electromagnets, solenoids
See also:
- http://en.wikipedia.org/wiki/Electromagnet
- http://en.wikipedia.org/wiki/Solenoid
- http://en.wikipedia.org/wiki/Voice_coil
- http://en.wikipedia.org/wiki/Solenoid_valve
Relays
Relays typically use solenoids to actuate the switch.
See Electronics_notes/Switches#Relays