4 3 Meters Among the most common meters

4. 3 Электрические измерения Прочитайте текст: Meters Among the most common meters used there are the ohmmeter, the ammeter and the voltmeter. The ohmmeter is used to measure the value of resistance. It consists of a milliammeter calibrated to read in ohms, a battery and resistors. The meter is connected in parallel and the circuit is not opened when its resistance is measured. The readings on the scales how the measured value. The ammeter is used to measure the value of current. When the circuit should be opened at one point and the terminals of the ammeter is used the meter should be connected to it. One should take into consideration that the positive terminal of the meter is connected to the posi tive terminal of the source; the negative termi nal to the negative terminal of the source. The ammeter should be connected in series. The readings on the scale show the measured value. Упражнения 1. Закончите предложения, выбрав правильный вариант: 1. The ammeter is a) a common meter. b) an uncommon meter. 2. In order to measure the value of current a) the ohmmeter is used. b) the voltmeter is used. c) the ammeter is used.

The City is the oldest part of London, its financial and business centre. Many banks, offices and firms are concentrated here, including the Bank of England, the Stock Exchange and the Old Bailey. Few people live in the City but over a million come to work here. Two masterpieces are situated in the City: St. Paul's Cathedral and the Tower of London. St. Paul's Cathedral was built in the 17 lh century by Christopher Wren. The Tower of London was built in the 11 th century. It was used as a fortress, a palace and a prison. Now it is a museum.

2. Презентации Сегодня новые методики с использованием Microsoft Power Point являются наиболее доступными для работы преподавателя в нашем колледже. На занятиях иностранного языка презентации позволяют тренировать различные виды речевой деятельности (чтение, письмо, говорение) Computers at home. The first place that microcomputers appeared was home. Today, applications geared for the home market are more diverse than ever. One popular type is software that you figure your taxes. The people who own a home, or work at home , or have outside investments, these programs can help identify items on which taxes must be paid and where deductions can be listed. These programs can save your incredible amount of both time and money. Games are also popular on home computers. Some of the best-selling types are adventure games, flight simulators, and sport games such as golf and football. Databases have proven to be invaluable at home. People find it very convenient to organize data about their books, their recipes, or their collections (such as stamps). Insurance companies encourage their customers to keep a careful inventory of their valuables in case of fire or theft, and database software is an excellent way to do it.

1. Find the following English sentences in the text: Некоторые программы помогают экономить как время, так и деньги. Среди самых хорошо продаваемых игр - приключенческие игры, имитаторы полетов, спортивные игры. Дома люди пользуются системой подготовки текстов, чтобы написать письма, составить электронные таблицы, отслеживающие финансы. 2. Translate these phrases: the home market outside investments the best-selling types of the games to organize data about the books, recipes or collections in case of fire or theft in addition Spreadsheets 3. Answer the questions: Do you have a computer at home? Do you play computer games? In what way do computers help people? Does your computer help you study at the college?