Words and expressions

armature - арматура; якорь; броня кабеля; обкладка

конденсатора

alternator - генератор переменного тока, синхронный

генератор

dynamo - генератор постоянного тока

conducting loop - проводниковый контур

converse - противоположенное или обратное

значение

Exercise 1

Ответьте на следующие вопросы:

1. Are electric generators used to convert or electrical energy into mechanical energy?

2. How machine that converts mechanical energy into electrical energy is called?

3. How a machine that converts electrical energy into mechanical energy is called?

4. What are two related physical principles which underlie the operation of generators and motors?

5. Who was the first to discover the principle of electromagnetic induction?

6. Who was the first to observe the principle of electromagnetic reaction?

7. What happens if a current is passed through a conductor located in a magnetic field?

8. In what condition the field exerts a mechanical force on a conductor?

9. What is the simplest of all dynamoelectric machines?

10. What does the disc dynamo developed by Faraday consist of?

11. Is the magnetic field of a permanent magnet strong enough to operate large machines?

12. What types of magnets are used to operate large machines?

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