Across
- 3. atoms, planets, stars, and even electrons have them
- 8. A,amps,I
- 10. the difficulty of passing a current through a wire
- 11. the current transformers work on
- 12. measured in coulombs,c
- 13. designed to transfer energy from a power supply
- 14. any system that uses a low power input signal to control a higher power output
- 15. when each light is connected directly to the power supply it is called a?
- 18. north and south
- 21. where the energy is delivered
Down
- 1. the currents "choice" of going through two or more paths
- 2. electrical energy in, mechanical energy out
- 4. only has two charges + and -
- 5. when a current goes through one device and then another
- 6. equal and opposite charges
- 7. how many electrons per second is called?
- 9. named after Volta, early worker with electricity
- 16. ideally, should have no resistance and measures current
- 17. my teacher calls himself
- 19. atoms have a good hold on all of their electrons and nothing can move
- 20. the rate of energy amount per time period