Across
- 3. Supplies energy to make a circuit work
- 5. This is a Process unit - makes small signals much bigger
- 9. Used to connect power on/off to a circuit
- 10. Output unit - changes electrical energy into movement
- 12. Input unit - changes sound to electrical signals
Down
- 1. Output unit - can be used to sound an alarm
- 2. Lights up whichever way it is connected
- 4. Output driver - turns outputs like LEDs on/off
- 6. Lights up but can only work the correct way in a circuit
- 7. Used to reduce the flow of electrical current
- 8. Unit of voltage
- 11. Unit of electrical current
- 13. Unit of resistance