Across
- 6. the flow of electricity in a circuit
- 7. a series of events that repeat regularly
- 10. a device for receiving and transmitting radio signals
- 12. a device that changes alternating current to direct current
- 13. a device that produces sound or light waves at a certain frequency
- 15. a person who controls a machine or system
- 16. the process of working on something to make it function
Down
- 1. the use of something for a specific purpose
- 2. a device that removes impurities from something
- 3. a device that makes sounds or signals louder
- 4. the force that pushes electricity through a circuit
- 5. a regular beat or rhythm
- 8. a tiny particle with a negative charge
- 9. the way something moves or points
- 11. a device that allows electricity to flow in one direction only
- 14. a series of actions taken to achieve a result