- •I. Read the text. The Nature of Electricity
- •I. Read the text. Electric current
- •II. Guess the meaning of the following international words:
- •III. Give the English equivalents for the words and word combinations below:
- •IV. Give Russian equivalents for the following:
- •V. Say whether these sentences are true or false:
- •VI. Fill in the blanks, using the words from the box:
- •Direct current, solids, conduct, electric current, liquids,
- •VII. State the questions to the underlined words:
- •VIII. Say some sentences about the types of electric current and its properties. Unit 3
- •I. Read the text.
- •Effects produced by a current
- •III. Guess the meaning of the following international words:
- •IV. Insert words and expressions:
- •V. Choose the correct translation:
- •VI. Answer the questions:
- •VIII. Speak about the principal effects of an electric current, using the text and chart above. Unit 4
- •I. Read the text.
- •Electric Circuits
- •II. Guess the meaning of the following international words:
- •III. Give the English equivalents for the following words and word combinations:
- •IV. Say whether these sentences are true or false:
- •V. Complete the sentences using the text:
- •VI. Answer the questions:
- •VII. Talk on the types of electric circuits. Unit 5
- •I. Read the text.
- •Alternating Current
- •II. Guess the meaning of the following international words:
- •IV. Give the English equivalents for the words below:
- •I. Read the text. Conductors and insulators
- •Give the Russian equivalents for the words and word combinations below:
- •Find in the text the sentences with the following related words and translate them:
- •State questions to the underlined words:
- •Say whether these sentences are true or false:
- •VII. Talk on the conducting ability of various substances and their application in electrical engineering. Use the table in Task IV. Unit 7
- •I. Read the text.
- •Semiconductors
- •II. Give the English equivalents for the words and word combinations below:
- •III. Guess the meaning of the following international words:
- •V. Insert words and expressions:
- •VI. Answer the questions:
- •VII. Talk on the properties of semiconductors and their practical application. Unit 8
- •I. Read the text.
- •Electricity and magnetism text 1 Electromotive Force
- •Text 2 Electromagnetic Induction
- •Text 3 electromotive force and resistance
- •I. Read the text. Dynamos
- •II. Fill in the gaps with the words given below:
- •III. Find the Russian equivalents for the following English words and word combinations:
- •IV. Answer the questions.
- •V. Talk on the dynamo action. Unit 10
- •I. Read the text.
- •Generators
- •II. Give the Russian equivalents for the following English words and word combinations:
- •III. Fill in the blanks
- •V. Speak on the following points:
- •Unit 11
- •I. Read the text. Main Structural Elements of a d. C. Machine
- •II. Translate the following phrases, using the given variants of translation.
- •IV. Arrange synonyms in pairs and memorize them:
- •V. Write out the names of the machine parts and describe their operational characteristics. Unit 12
- •I. Read the text.
- •The Alternator
- •Unit 13
- •I. Read the text. The Induction Motor
- •VI. Discuss the following points:
- •Unit 14
- •I. Read the text.
- •Types of Induction Motors
- •Single-phase motor
- •Text 2 three – phase induction motor
- •III. Translate the sentences from the text paying attention to the Nominative Absolute Participle Constructions:
- •IV. Answer the following questions:
- •V. Work out the plan of the text.
- •VI. State 5 questions to the text. Unit 15
- •I. Read the text.
- •Transformers
- •II. Guess the meaning of the following international words:
- •Unit 16
- •I. Read the text. Types of transformers
- •II. Guess the meaning of the following international words:
- •III. Give the English equivalents for the words below:
- •Unit 17
- •I. Read the text. Measurements of Electric Values
- •II. Guess the meaning of the following international words:
- •III. Give the English equivalents to the words below:
- •IV. Translate into Russian the words and expression from the text:
- •V. Insert the words:
- •VI. Answer the questions:
- •VII. State questions to the underlined words:
- •VIII. Topics for discussion:
- •Unit 18
- •I. Read the text. Main Types of Ammeters and Voltmeters
- •VII. Topics for discussion:
- •Unit 19
- •I. Read the text. Electrical Measuring Instruments and Units
- •VII. Describe different types of measuring instruments and units, using the table in Task V.
- •George symon ohm
- •Text 3 Faraday's Law
- •Text 4 emil lenz. Lenz's Law
- •Text 5 Kirchhoff's Laws
- •Text 6 a Great Invention of a Russian Scientist
- •Text 7 charles coulomb
- •Text 8 andre marie ampere
- •Text 9 james clerc maxwell
- •Text 10 World Brightest Electric Lamps
- •Text 11 early history of electricity
- •Text 12 from the history of electricity
- •Text 13 Nature of Electricity
- •Text 14 atmospheric electricity
- •Text 15 magnetism
- •Text 16 magnetic effect of an electric current
- •Text 2 power transmission
- •Text 3 hydroelectric power-station
- •Text 4 nuclear power plant
- •Text 5 Electronics and Technical Progress
- •Text 6 Protection and control equipment
- •Text 7 The Nucleus
- •Text 8 What Is An Electron?
- •Text 9 Electrons and electronic charges
- •Text 10 Polarity
- •Text 11 Energy Conversion
- •Power engineering dictionary
- •Список использованной литературы
- •400131, Г. Волгоград, пр. Ленина, 28, корп. 1.
- •403874, Г. Камышин, ул. Ленина, 5, каб. 4.5
UNIT 1
I. Read the text. The Nature of Electricity
Practical electricity is produced by small atomic particles known as electrons. It is the movement of these particles which produces the effects of heat and light.
The pressure that forces these atomic particles to move, the effects they encounter opposition and how these forces are controlled are some of the principles of electricity.
Accepted atomic theory states that all matter is electrical in structure. Any object is largely composed of a combination of positive and negative particles of electricity. Electric current will pass through a wire, a body, or along a stream of water. It can be established in some substances more readily than in others, that all matter is composed of electric particles despite some basic differences in materials. The science of electricity then must begin with a study of the structure of matter.
Matter is defined as any substance which has mass (or weight) and occupies space. This definition should be broad enough to cover all physical objects in the universe. Wood, water, iron, and paper are some examples of matter. Energy is closely related to, but not to be confused with, matter. Energy does not have mass, and it does not occupy space. Heat and light are examples of energy.
The smallest particle of matter which can be recognized as an original substance was thought to be a unit called the atom. Recently scientists have found particles even smaller than atoms, but our theories are still based on the atom. The atom consists of a nucleus and a cloud of electrons. It is generally agreed that the electrons are small particles of electricity, which are negative in nature. These particles orbit the nucleus in much the same fashion that planets orbit a sun.
II. Guess the meaning of the following international words:
Electricity, electron, effect, structure, combination, material, mass, energy, atom, orbit.
III. Give the English equivalents for the words below:
1) производить; 2) частица; 3) тепло и свет; 4) напряжение; 5) сила; 6) вещество; 7) положительный; 8) отрицательный; 9) электрический ток; 10) вес; 11) ядро.
IV. Translate into Russian the words and expressions from the text:
1) atomic particle; 2) effects of heat and light; 3) encounter opposition; 4) principles of electricity; 5) composed (of); 6) pass through a wire; 7) structure of matter; 8) occupy space; 9) physical objects; 10) a cloud of electrons; 11) in the same fashion.
V. Complete the sentences using the text:
Electricity is produced by …
The effects of heat and light are produced by …
According to the accepted atomic theory all matter is …
Any object is composed of …
Matter is defined as …
Energy must not be confused with …
The atom consists of …
The smallest particle of matter is …
Most theories are based on …
Electrons are …
VI. Answer the questions:
1) What are the principles of electricity? 2) What must the science of electricity begin with? 3) Are there any differences between energy and matter? What are they? 4) What is recognized as an original substance now?
VII. Topics for discussion:
The nature of electricity;
The nature of matter;
Contents of atomic theory.
UNIT 2