Across
- 3. material that electricity cannot flow through easily
- 5. converts electrical energy to motion
- 10. allows electricity to flow but not as freely as in metals.
- 12. a component where its resistance varies with temperature
- 13. uses sound to notify users
- 14. a type of circuit where there is only one path for current to flow
- 15. a component that is common found in traffic lights
Down
- 1. material that allows electricity to flow through easily
- 2. Unit for voltage
- 4. unit for current
- 6. protect components from excessive current
- 7. a type of circuit where current is able to split into multi paths
- 8. source of this current is mainly from batteries, solar panels
- 9. source of this current comes from power plugs, power station, mainly use for transmission power
- 11. a component that only allows current to flow in one direction
- 13. converts electrical energy to light energy