2015-08-21
1047
1. The P-N-P transistor is ….
2. The geometry of junction transistors differs depending on ….
3. … the transistor may be considered as two diodes.
4. The emitter-base constitutes ….
5. … are the majority current carriers in the emitter-base diode.
6. The emitter-collector circuit is ….
7. Collector current may be controlled readily by ….
8. … may also be made with an N-P-N configuration.
9. Base current will increase or decrease very little when ….
10. Changes in emitter-base bias will result in ….
Match the terms in Table A with their definitions in Table B.
| Table A | Table B |
| 1. beam 2. satellite 3. transistor 4. base 5. sensitivity | a. The ability to react to very small changes in light, heat, movement etc. b. The lowest part or surface of something [= bottom] c. A line of light, energy etc that you cannot see. d. A machine that has been sent into space and goes around the Earth, moon etc, used for radio, television, and other electronic communication. d. A small piece of electronic equipment in radios, televisions etc that controls the flow of electricity. |
SPEAKING
23. Summarize the text “ Junction Transistors” in 150 words.
Divide into 2 groups. Group 1 translates Extract A and group 2 – extract B of the text with a dictionary in writing.
