Read the text again and complete the sentences.

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. e. 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.

Extract A

<== попередня сторінка	\|	наступна сторінка ==>
Read the text “Junction Transistors” only once. How much can you remember? Answer these questions without additional reading.	\|	The Transistor

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