Across
- 4. increases the pressure of a gas
- 5. metal used in electrical wiring
- 6. path for an electric current
- 7. changes voltage levels
- 10. device that stores electrical energy
- 11. turns gas to liquid by cooling it
- 13. regulates temperature
Down
- 1. stores energy in a magnetic field
- 2. covers wire to prevent electric shocks
- 3. carries electrical current through wiring systems
- 8. fluid used in cooling systems
- 9. something dangerous
- 12. in industrial systems, controls and protects elecrical equipment