Across
- 2. In........current electrons only flow in one direction
- 4. An ordinary person who buys things
- 5. Electronic device that accepts, processes and displays data
- 7. Without these you won't hear the music
- 11. Storing a quantity of electricity in an magnetic field
- 16. In........current electrons change direction at 60 cycles per seconde direction
- 17. The particle in an atom that carries electric currents
- 18. Material through which electricity can easily pass through
- 20. Whether and object has a negative or positive charge.
- 21. Unit of measurement of current
Down
- 1. Another name for a music system
- 3. How easily electricity passes through an AC device
- 6. The cost of sending goods to the customer
- 8. Storing a quantity of electricity in an electric field
- 9. How much an object opposes or blocks an electric current
- 10. We normally get DC power from this.
- 12. Another name for a video camera
- 13. Unit of measurement of AC frequency
- 14. The abbreviation for alternating current
- 15. Material that electricity cannot pass through
- 19. Unit of measurement of resistance