Across
- 3. A light bulb illuminates in a ______ circuit
- 6. material with a resistance of zero
- 7. this is an example of an energy source in a circuit
- 11. gaseous insulator
- 12. measure of the opposition to the current flow
- 13. current is measured in this unit
- 14. energy that flows through a circuit
- 15. an example of this component of a circuit is a lightbulb
- 16. an example of this component of a circuit is a wire
- 17. difference in electric potential
- 19. material that behaves in between a conductor and an insulator
- 21. resistance is measured in this unit
- 22. negatively charged subatomic particle
- 23. material that resists current flow
Down
- 1. a complete circular path that electricity flows through
- 2. circuit that has both wires connected to the positive end of the battery
- 4. electrical ___________ is the flow of electrons
- 5. specific element that is a good conductor
- 8. current that constantly changes the direction it flows
- 9. current that flows in one direction
- 10. good conductors
- 17. voltage is measured in this unit
- 18. positively charged subatomic particle
- 20. material that allows current to flow easily