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Прочитайте текст и определите какой из заголовков соответствует тексту The study of electricity may ...: ответ на тест 781296 - Английский язык

Прочитайте текст и определите, какой из заголовков соответствует тексту
The study of electricity may be divided into three classes or branches: magnetism, elektrostatics, and electrodynamics. Magnetism is the property of the molecules of iron and certain other substances through which they store energy in a field of force because of the arranged movement of the electrons in their atoms. Electrostatics is the study of electricity at rest, or static electricity. Examples of this type of electricity are charges on condenser plates. Rubbing glass with silk produces static electricity. Electrodynamics is the study of electricity in motion, or dynamic electricity. The electricity which flows through wires for light and power purposes is a good example of latter type of electricity.
Варианты ответов
  • Dymanic Electricity
  • Classes of Electricity
  • The nature of Electricity
  • Static Electricity
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Вопрос задал(а): Анонимный пользователь, 13 Ноябрь 2020 в 01:28
На вопрос ответил(а): Анастасия Степанова, 13 Ноябрь 2020 в 01:28

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Вопрос № 606797

Прочитайте текст и определите, какой из заголовков соответствует тексту
The study of electricity may be divided into three classes or branches: magnetism, elektrostatics, and electrodynamics. Magnetism is the property of the molecules of iron and certain other substances through which they store energy in a field of force because of the arranged movement of the electrons in their atoms. Electrostatics is the study of electricity at rest, or static electricity. Examples of this type of electricity are charges on condenser plates. Rubbing glass with silk produces static electricity. Electrodynamics is the study of electricity in motion, or dynamic electricity. The electricity which flows through wires for light and power purposes is a good example of latter type of electricity.
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Вопрос № 347310

Прочитайте текст и определите, какой из заголовков соответствует тексту
The study of electricity may be divided into three classes or branches: magnetism, elektrostatics, and electrodynamics. Magnetism is the property of the molecules of iron and certain other substances through which they store energy in a field of force because of the arranged movement of the electrons in their atoms. Electrostatics is the study of electricity at rest, or static electricity. Examples of this type of electricity are charges on condenser plates. Rubbing glass with silk produces static electricity. Electrodynamics is the study of electricity in motion, or dynamic electricity. The electricity which flows through wires for light and power purposes is a good example of latter type of electricity.
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Вопрос № 781297

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Of the many types of tubes which are in use, the simplest is the diode.
This is a two-element tube which consists of an emitter of electrons (the cathode) and a collector of electrons (the plate or the anode).
The term diode refers to the number of electrodes within the tube. The main function of the two-element tube is as converter of power. By this we understand that by means of the diode the electric power can be converted. Alternating voltage is converted in the form of pulsating direct current (the convertion of a. c. power into d. с power). This is the process of rectification.

Вопрос № 781298

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The triode, or three electrode tube, is an elaboration of the diode.
The diode consists of two electrodes. They also appear in the triode and they constitute the basis of the triode. In the triode the third electrode (the control grid) is added in the space between the emmitter and the plate.
The control grid is a metal structure which may be of different shape, depending upon the design of the tube.
The basic function of the triode is to amplify the current, or voltage or electric power. In this process of amplification the control grid plays a most important role.

Вопрос № 781299

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A metal rectifier, a widely used form of rectifier, is the metallic type consisting essentially of a number of units formed by depositing a layer of semiconducting material, such as copperoxide on a metal conducting base. These units, generally in the form of washers, are assembled on rods under pressure, the number of units employed being determined by the voltage. Each unit has the peculiar property of passing current freely when the semi-conducting layer is positive and allowing practically no current to flow in the opposite direction. This form of rectifier has the great advantage of strength, absence of moving parts and relative simplicity.

Вопрос № 781300

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Another type of rectifier is represented by various kinds of two-electrode valves, or diodes. These consist of a glass tube or bulb containing an electron-emmiting member (the cathode) and an electrode (called the anode) which collects the emitted electrons and causes a flow of current so long as it is positive with respect to the cathode. The cathode heater is supplied with a suitable voltage from the transformer secondary to provide the heating necessary for the emission of electrons.
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