Across
- 3. chemical that is a liquid or paste that allows the flow of electrons in a battery
- 6. device that used electromagnetic induction to convert mechanical energy to electrical energy
- 7. positively charged particles of an atom
- 12. a periodic current that continuously reverses direction
- 17. safety device used to stop machinery from moving
- 19. explosion that takes place when electricity short-circuits through the air or across inadequate insulation
- 23. positive terminal of a battery
- 25. prevents energizing of a circuit by locking switches, breakers, valves, or enclosures
- 27. substances that prevent electrons from flowing freely
- 28. substance that allows electrons to flow freely through it
Down
- 1. burn that occurs when electricity passes through the body
- 2. particles with no charge in the nucleus of an atom
- 4. group of voltaic cells that are connected in series or parallel, usually contained in one case
- 5. measurement of the rate of flow of electrons
- 8. procedure used to let other workers know who applied a lockout
- 9. negatively charged particles that orbit the nucleus of an atom
- 10. clothing and equipment worn to provide protection from hazards
- 11. units of measurement used in expressing power delivered to or consumed by electrical device
- 13. negative terminal of a battery
- 14. ability to do work
- 15. unit of measurement of electromotive force caused by difference in potential between two bodies
- 16. a current that always flows in on direction
- 18. device that transfers electrical energy between circuits through electromagnetic induction
- 20. the flow of electrons
- 21. unit in measuring amperage or current
- 22. unit of frequency that equals one cycle per second
- 24. unit of electrical power
- 26. pathway over which electrons can move
- 29. one complete repetition of a wave-form or signal
- 30. units of measurement used to express resistance