English for electrical engineers. Учебное пособие на английском языке для аудиторной и самостоятельной работы студентов по направлению 13.03.02 – элек

alternating current;

electricity can easily pass through or along this substance;

direct current;

it causes a disruption of electric circuit;

electricity;

it is an electric current that continually changes its direction while

flowing;

transformer;

it means the number of cycles per second;

conductor;

it is a material of low conductivity;

insulator;

it is a kind of electric current the always flows in the same direction;

semiconductor;

it is a measure of object’s opposition to the flow of electric current;

frequency;

it is a substance whose ability to conduct electricity increases with

heating;

resistance;

it is a form of energy that can be carried by wires and is used for heating

and lighting;

short-circuit;

it changes a voltage to a higher or lower voltage.

INTRODUCTION

3

UNIT 1 ELECTRICITY

4

Text 1. HISTORY OF ELECTRICITY

4

Text 2. THE CONCEPT OF ELECTRICAL CURRENT FLOW

6

Text 3 NATURE OF ELECTRIC CURRENT

8

Text 4. PRACTICAL UNITS

10

Text 5. ELECTRICITY AND MAGNETISM

12

Text 6. BRANCHES OF ELECTRICITY

14

UNIT 2. ELECTRIC MACHINES

16

Text 1 ELECTRIC MOTORS (I)

16

Text 2 ELECTRIC MOTORS (II)

17

Text 3 TRANSFORMERS

19

Text 4 ELECTRIC GENERATORS AND MOTORS (I)

21

Text 5 ELECTRIC GENERATORS AND MOTORS (I)

22

Text 6 DIRECT CURRENT ELECTRIC MACHINES

24

UNIT 3. ELECTRONICS

27

Text 1 HISTORY OF ELECTRONICS

27

Text 2 ELECTRONICS

28

Text 3 TRANSISTORS

31

Text 4 SEMICONDUCTORS

32

Text 5 THE DESTINY OF SEMICONDUCTORS

34

Text 6 CONDUCTORS AND INSULATORS

35

ADDITIONAL READING

37

REVISION TEST

40