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Вопрос № 131570 - Английский язык

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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
  • Classes of Electricity
  • Dymanic Electricity
  • Static Electricity
  • The nature of Electricity
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Вопрос задал(а): Анонимный пользователь, 10 Ноябрь 2016 в 08:40
На вопрос ответил(а): Любимов Павел, 10 Ноябрь 2016 в 08:40

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Вопрос № 884737

Прочитайте текст и выполните задания.
Electricity
1. Electricity is a flow of negative charges called electrons. These electric charges are measured in units called coulombs. Electricity is a very versatile form of energy that can be converted into many other forms of energy, including light and heat, direct current (DC), which flows in one direction only, and alternating current (AC), which changes direction 60 times per second.
2. An electric circuit is an unbroken conducting path from, and back to, a power supply. It has three main parts: the power supply, the conductor, and the load. The power is provided by a generator or battery, the conductor carries the current, and the load is an electric device such as a lamp.
3. Unlike current electricity, static electricity does not flow. It is created when an electrically neutral substance loses or gains electrons, making it, respectively, positively or negatively charged. You can create static electricity by rubbing a balloon on your clothing. Electrons will move from the clothing to the balloon, making the balloon negatively charged and the clothing positively charged. The resulting static electricity on each will attract small, light objects such as pieces of paper.
Определите, какое утверждение соответствует содержанию текста.
An electric circuit exists in every type of electricity.
People are able to create static and resulting electricity themselves.
There exist two different types of electricity.
Electricity can be changed into various energy forms.

Вопрос № 1045153

Прочитайте текст и выполните задания.
Electricity
1. Electricity is a flow of negative charges called electrons. These electric charges are measured in units called coulombs. Electricity is a very versatile form of energy that can be converted into many other forms of energy, including light and heat, direct current (DC), which flows in one direction only, and alternating current (AC), which changes direction 60 times per second.
2. An electric circuit is an unbroken conducting path from, and back to, a power supply. It has three main parts: the power supply, the conductor, and the load. The power is provided by a generator or battery, the conductor carries the current, and the load is an electric device such as a lamp.
3. Unlike current electricity, static electricity does not flow. It is created when an electrically neutral substance loses or gains electrons, making it, respectively, positively or negatively charged. You can create static electricity by rubbing a balloon on your clothing. Electrons will move from the clothing to the balloon, making the balloon negatively charged and the clothing positively charged. The resulting static electricity on each will attract small, light objects such as pieces of paper.
Содержанию текста соответствует утверждение …
There exist two different types of electricity.
An electric circuit exists in every type of electricity.
People are able to create static and resulting electricity themselves.
Electricity can be changed into various energy forms.

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