Across
- 4. Device used to detect electric charge
- 7. Instrument used to measure electric current
- 10. Opposition to the flow of current
- 13. Device used to open or close a circuit
- 14. Natural electric discharge in the atmosphere
- 15. Closed path for flow of electric current
Down
- 1. Instrument used to measure potential difference
- 2. Safety device that melts when current is too high
- 3. SI unit of electric current
- 5. Flow of electric charge in a conductor
- 6. Material that allows current to pass easily
- 8. Material that does not allow current to pass easily
- 9. Safety method that sends excess charge to the ground
- 11. Unit of resistance
- 12. Method commonly used to produce static electricity