Across
- 3. are conductive wires wrapped around a magnetic core
- 5. convert electrical energy to mechanical energy
- 6. illuminate the enviroment
- 7. a synonymous of contamination
- 8. is the glass part of an electric lamp, which gives out light when electricity passes through it.
- 9. are mechanical or electro-mechanical devices that convert energy into motion
Down
- 1. is a device capable of reading barcodes using a laser.
- 2. power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.
- 4. is an input peripheral that connects to your computer that you can draw on it.
- 6. is an electric light that produces light using light-emitting diodes