Across
- 4. device that stores chemical energy and converts it to electrical energy
- 7. metal drawn out into the form of a thin flexible thread or rod
- 9. an object or type of material that allows the flow of charge
- 10. a form of electromagnetic radiation, which means it has electric fields and magnetic fields vibrating back and forth very quickly as a wave
- 11. an electrical component that breaks or closes an electric circuit
- 12. a socket that connects an electrical device to an electricity supply
- 14. a flow of charged particles, such as electrons or ions
Down
- 1. unit of power, equivalent to one joule per second
- 2. an electrical safety device that protects an electric circuit from excessive electric current
- 3. having a direct connection to the earth
- 5. a type of electrical conductor with non-metallic sheathing that is commonly used as residential branch wiring
- 6. a form of energy resulting from the existence of charged particles
- 7. small, hand-held device used to strip the electrical insulation from electric wires
- 8. a complete circular path that electricity flows through
- 13. an electromotive force or potential difference expressed in volts