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сделать два задания The conducting materials give green light to electrons which move from one atom to another when the potential difference is applied across them. This flow of electrons in a closed circuit is called current. On the basis of the direction of movement of electrons in a closed circuit, the electric current is mainly classified into two types, i.e., the alternating current and the direct current.
The current which changes its direction at a regular interval of time such type of current is called alternating current. Direct current is unidirectional or flows only in one direction.
The charges in the alternating current flow either by rotating a coil in the magnetic field or by rotating a magnetic field within a stationary coil. In direct current, the charges flow by keeping the constant magnetism along the wire.
The frequency of the alternating current give or take 50 to 60 hertz depends on the country standard, whereas the frequency of the direct current always remains zero.
The power factor of the alternating current lies between zero to one, whereas the power factor of the direct current always remains one.
The alternating current can be graphically represented through different irregular wave shape such as triangular wave, square wave, periodic wave, the saw-tooth wave, sine wave, etc. The direct current is graphically represented by the straight line.
The alternating current transmits over a long distance with some losses, whereas the direct current transmits over very long distances with negligible losses.
The alternating current is converted into direct current with the help of rectifier whereas the direct current is converted into alternating current with the help of the inverter.
Few substations require for the generation and transmission of the alternating current. Extra substations require for the transmission of direct current.
The alternating current is used in industries, factories, and for the household purposes. The direct current is mainly used in electronic equipment, flash lighting, hybrid vehicles, electroplating, electrolysis, for exciting the field winding of the rotor, etc.

1. Выпишите из текста предложения, содержащие герундий / герундиальный оборот.
2. Найдите в тексте английские идиомы, выпишите и переведите их.

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OlaCoch
OlaCoch
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Amystical story this story happened ten years ago in one english village. mr. and mrs. johnson arrived in clovelly late at night. they came from the usa to spend their holiday in a lovely surrounding. as it was rather late, they decided to stay overnight at a hotel. next morning, after a short walk mrs. johnson realized that she fell in love with this peaceful place. she said she wanted to buy a house in clovelly and move to england. so, they spent a day looking for a detached house or a mansion. finally, they’d found one and went to see it with an estate agent. there was a kitchen, a dining room and a living room on the first floor. and, there were three bedrooms upstairs. while mrs. johnson was exploring the second floor, she felt a strange cool breeze coming from one room. it was the darkest and the most unpleasant room she’d ever seen. nevertheless, they decided to buy the house but to renovate the strange bedroom upstairs. the same night they were celebrating their profitable investment at the local pub. mr. johnson ordered a bottle of champagne and told the bartender about their new house. the young guy went pale when he heard about that house. he said that nobody had ever wanted to buy it because of its dark past. in fact, the owner of the mansion was murdered in his bedroom. since then people tell various mystical stories about this place. moreover, they say that the ghost of the former landlord still dwells there. mrs. johnson was terrified. she said she knew there was something wrong with that room. next day they quickly packed and caught a plane to new york. the johnsons never came back to clovelly again

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