Across
- 6. a device used to measure voltage
- 7. another term for potential difference
- 8. a circuit with only one path for current to flow
- 10. a safety device that melts when too much current flows
- 11. the movement of electrons from negative to positive
- 13. the opposition to the flow of electric current
- 16. a unit of electrical energy used by electric companies
- 18. a material with zero resistance under certain conditions
- 20. a material with conductivity between a conductor and insulator
- 22. the rate at which electrical energy is used
- 24. a low resistance path that causes excessive current
- 26. the relationship between voltage current and resistance
- 27. a device used to measure electric current
- 28. the direction positive charge would flow in a circuit
- 29. the unit of electric charge
Down
- 1. a reusable safety device that opens a circuit when current is too high
- 2. a device that converts chemical energy into electrical energy
- 3. a circuit with multiple paths for current to flow
- 4. the energy per unit charge between two points
- 5. the unit of electric current equal to one coulomb per second
- 9. a circuit with a complete path allowing current to flow
- 12. a device used to open or close a circuit
- 14. the rate at which electric charge flows through a conductor
- 15. a circuit with a break that stops current from flowing
- 17. a material that resists the flow of electric charge
- 19. the unit of resistance
- 21. a material that allows electric charge to flow easily
- 23. the unit of power equal to one joule per second
- 25. a device that limits current in a circuit