Across
- 4. The _____ is a two-directional electronic device that can operate in an AC circuit; its output is AC.
- 5. A _________ is a device in an electric circuit that stores electrical energy for later use.
- 6. The electricity that air-conditioning and heating technicians are more involved with is produced by _________.
- 8. A _______ _______ can function as a switch as well as a means for opening a circuit when a current overload occurs. (two words)
- 10. A ____ is a simple device used to protect circuits from over loading and overheating.
- 11. ______ current travels in one direction.
- 12. A ____ is the power used when 1 ampere flows with a potential difference of 1 volt.
- 15. _____________ force, or voltage, is used to indicate the potential difference between two charges.
- 17. ____________ are electrical devices that produce voltage in a second circuit through electromagnetic induction.
Down
- 1. Copper, silver, and ____ are good conductors, and each has one electron in the outer orbit.
- 2. ___________ current is a continually and rapidly reversing current.
- 3. The ferrule _________ _____ is used for 230-V to 600-V service up to 60. (two words)
- 7. ___________ are made of three pieces of N-type and P-type semiconductor materials sandwiched together.
- 9. A _____ is a switching device that will conduct on both halves of the AC waveform; its output is AC.
- 13. ____ _____ have either an Edison base or a type S base (two words)
- 14. in the early 1800s, the German scientist ______ ___ did considerable experimentation with electrical circuits.(two words)
- 16. __________,unlike conductors, do not allow the free flow of electrons