104b Electrical B
Across
- 4. a device that converts electrical energy into other forms of energy to do work
- 10. a connector on the end of a wire coming out of an assembly
- 11. a material added to a steel core to help magnetic domains move with less friction
- 12. circulating currents set up in a core material when subjected to a changing magnetic field
- 13. an electromagnetic component that draws a movable iron core into the coil to create linear motion
- 15. the process of producing a high voltage within a coil as its magnetic field collapses
- 16. a line drawing representing a circuit using symbols to show how it functions
- 18. the simplest type of circuit providing only one path for current flow
- 19. undesirable heat loss caused by the friction of flip flopping magnetic domains
Down
- 1. a closed loop through which electric current can flow
- 2. an electromagnetic component that allows a low current circuit to control a high current circuit
- 3. a circuit configuration that has more than one current path
- 5. the rotating assembly in an electric motor containing many conductors inside an iron frame
- 6. a solid state semiconductor device with no moving parts that can turn current flow on and off
- 7. the return path to the battery often attaching to the vehicle chassis or engine block
- 8. a core constructed of thin insulated steel sheets to minimize heat losses
- 9. a current carrying coil of wire wrapped around a ferromagnetic core
- 11. a mechanical control operated by hand or moving parts to turn current flow on and off
- 14. a detailed diagram including vital information about wire size colour and connectors
- 17. a type of diode used across a coil to prevent high voltage from arcing at the switch