set 2

5. Pulse used to initiate a circuit action
8. theory which explains the nature of electricity and the exchange of "free" electrons between atoms of a conductor
11. The science dealing with three-dimensional optical recording
13. Temperature sensitive semiconductor that has a negative temperature coefficient of resistance
14. Property of some materials to attract or repel others
16. A single winding transformer where the output is taken from taps on the winding
19. the inventor who championed DC
20. the reciprocal of electrical resistivity
22. Device or circuit that maintains a desired output under changing conditions
23. A rigid conductor used for connecting together distributors or feeders
25. Group of eight binary digits or bits

1. A unit used to measure very small lengths
2. the atomic particle responsible for electric current
3. Electro acoustic transducer that converts sound energy into electric energy
4. Name for an AC generator
6. Two terminal variable resistor used to control current
7. electricity at rest
9. Combination of interconnected components, circuits or systems
10. the property that causes electric attracting and repelling behaviour
12. Term used to describe a decrease in power
15. the number of cycles per second
17. dc motor which cannot be started without load
18. Unit of magnetic flux
21. The strength of an audio signal
24. An electrical coil switch that uses a small current to control a much larger current