Across
- 4. a circuit where each light is connected directly to a power supply
- 6. How much work done each second
- 10. a wire pushed through a magnet producing a voltage
- 11. Current that has many patterns
- 12. coil of wire
- 13. How many electrons go by per second
- 15. electrical energy in, mechanical energy out
- 17. How much work done each second
- 18. Difficulty passing a current through wires.
- 19. field that is produced by moving charges
- 20. resistor known as a volume control
Down
- 1. a circuit where light is on when one goes out they all go out
- 2. any system that uses a low power input signal to control higher power output
- 3. Measures current
- 5. Current is in the same direction and in a straight line
- 7. big speaker that moves great and slow for long periods of time
- 8. has high resistance and must be connected in parallel
- 9. Energy per electrons
- 14. small speaker that can move quickly in high frequencies
- 16. Metal plates separated by an insulator