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Energy and Electronics (Atroshkina A.A.,etc.).doc
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Post-Text Exercises

IV. Find the word with the similar meaning according to the idea of text 5a.

  1. voltage

energy; tension; effort; force

  1. to fascinate

to amaze; to like; to charm; to love

  1. depletion

exhaustion; drain; tiredness; fatigue

  1. pure

clear; good; clean; neat

  1. to boost

to increase; to rise; to magnity; to enlarge

  1. goal

wish; idea; aim; dream

  1. power

force; strength; productivity; energy

  1. distortion

likes; falsity; nonsense; perversion

  1. material

stuff; base; fabric; texture

10. free

spare; uncombined; easy; empty

V. Connections: match a line in a with a line in b.

Model: Einstein – scientist

A

B

pure

input

power

bipolar

depletion

insulating

base

output

N-type

circuit

state

zone

material

silicon

electrode

rating

transistor

circuit

VI. Find in the text the Russian equivalents of the following words and word combinations:

  • процесс добавления примесей / легирование

  • эмиттер / база / коллектор

  • входная цепь (цепь управления) / выходная цепь

  • биполярный плоскостной транзистор

  • увеличить напряжение

  • электрод базы

  • переходный слой

  • входной ток / выходной ток

  • сократить переходный слой

  • цель усилителя

  • изолирующее состояние

  • вызвать искажение

  • основной подход

  • захватить внимание

  • диапазон мощностей

  • полное сопротивление

  • точность

VII. Read and translate word combinations consisting of two or more components. See model. Read and translate the sentences from the text containing these word combinations.

Model: biopolar transistor – биполярный транзистор

transistor’s emitter and collector free electrons

depletion zone n-type semiconductors

a home stereo amplifier p-type layer

VIII. Answer the following questions:

  1. Can you name all the electronic elements which form an amplifier? Do you know the function of each of them?

  2. What are semiconductors?

  3. How many types of semiconductors are there?

  4. What are semiconductors characterized by?

  5. How many layers does the transistor consist of? What are they?

  6. What is a boosting stage?

  7. How many boosting stages does a typical amplifier have?

  8. What is the name of the process of adding impurities?

  9. Where is insulating state returned to its original? What happened next?

  10. How can you change the situation when the depletion zones are thick and very little charge move from emitter to the collector?

  11. How is the size of the depletion zone determined by?

  12. How many watts might produce on amplifier?

  13. What is the goal of an amplifier?

  14. What are sound enthusiasts fascinated with?

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