104b Electrical B

12345678910111213141516171819
Across
  1. 4. a device that converts electrical energy into other forms of energy to do work
  2. 10. a connector on the end of a wire coming out of an assembly
  3. 11. a material added to a steel core to help magnetic domains move with less friction
  4. 12. circulating currents set up in a core material when subjected to a changing magnetic field
  5. 13. an electromagnetic component that draws a movable iron core into the coil to create linear motion
  6. 15. the process of producing a high voltage within a coil as its magnetic field collapses
  7. 16. a line drawing representing a circuit using symbols to show how it functions
  8. 18. the simplest type of circuit providing only one path for current flow
  9. 19. undesirable heat loss caused by the friction of flip flopping magnetic domains
Down
  1. 1. a closed loop through which electric current can flow
  2. 2. an electromagnetic component that allows a low current circuit to control a high current circuit
  3. 3. a circuit configuration that has more than one current path
  4. 5. the rotating assembly in an electric motor containing many conductors inside an iron frame
  5. 6. a solid state semiconductor device with no moving parts that can turn current flow on and off
  6. 7. the return path to the battery often attaching to the vehicle chassis or engine block
  7. 8. a core constructed of thin insulated steel sheets to minimize heat losses
  8. 9. a current carrying coil of wire wrapped around a ferromagnetic core
  9. 11. a mechanical control operated by hand or moving parts to turn current flow on and off
  10. 14. a detailed diagram including vital information about wire size colour and connectors
  11. 17. a type of diode used across a coil to prevent high voltage from arcing at the switch