Across
- 3. instrument that changes AC to DC
- 4. unit of electric strength
- 6. device used to adjust flow of electric current
- 8. produces heat; invisible light beyond red
- 11. measurement of how much energy is being used per second
- 12. material that doesn't allow current to flow through it
- 13. ______ effect; type of device that produces multiple effects
- 14. a path of electron flow from the source to appliance
- 15. provides the force to move electrons
- 16. material that allows electricity to flow easily
- 17. DC; flows in one direction
- 19. safety device that contains a fine metal wire
- 21. invisible rays beyond violet
- 22. form of energy that produces light, heat and magnetic changes
- 24. passage of more load than the line can carry
- 25. instrument that changes DC To AC
Down
- 1. broken path of electron flow
- 2. negative and positive poles at the ends of a circuit
- 4. AC;flows in both directions
- 5. rating that provides the number of cycles per second
- 7. occurs when foreign conductor comes into contact with current
- 9. 1,000 watts
- 10. unit of electric resistance
- 13. flow of electrons along a conductor
- 18. reusable device that breaks flow of electricity
- 20. unit of electric pressure
- 23. the visual perception of the reflecion of light