Across
- 4. a circuit with only one loop
- 8. type of current in mains electricity
- 10. the rate of energy transfer in a circuit
- 12. the flow of charge around a circuit
- 13. a circuit with more than one path
- 14. two or more cells joined together
- 15. a unit of power equal to 1000 watts
- 17. how much a component opposes current
- 18. a tiny particle that carries negative charge
Down
- 1. a device used to measure voltage
- 2. the amount of work done or electricity used
- 3. a safety device that melts if current is too high
- 5. a device that opens or closes a circuit
- 6. a material that allows charge to flow
- 7. type of current batteries provide
- 8. a device used to measure current
- 9. a material that does not allow charge to flow
- 11. the push that makes charge move in a circuit
- 15. a unit of energy used by electricity companies
- 16. a complete loop that allows current to flow