ЗАДАНИЕ I РЕГИОНАЛЬНОЙ ДИСТАНЦИОННОЙ ОЛИМПИАДЫ ПО АНГЛИЙСКОМУ ЯЗЫКУ «ЗНАТОКИ ЭЛЕКТРИЧЕСТВА»

ЗАДАНИЕ I РЕГИОНАЛЬНОЙ ДИСТАНЦИОННОЙ ОЛИМПИАДЫ ПО АНГЛИЙСКОМУ ЯЗЫКУ «ЗНАТОКИ ЭЛЕКТРИЧЕСТВА»

I. Decipher the abbreviation:

1. AC	6. LED
2. DC	7. PA
3. F	8. REG
4. FG	9. RT
5. IC	10. SW

II. Guess electrical symbols and elements

1. 2. 3. 4.

5. 6. 7. 8.

III. Find the correct variant:

1. a parallel circuit has a) parallel branches only b) the main line and parallel branches 2. a parallel circuit is used in order a) to have the same value of current in all the elements b) to have the same value of voltage in all the elements 3. in a parallel circuit a trouble in one branch a) results in no current in that branch only b) results in no current in the whole circuit 4. no current in a parallel circuit a) results from a trouble in one branch b) results from a trouble in the main line 5. the sum of IR voltage drops a) is equal to the value of voltage in the circuit b) is less than the smallest voltage drop c) is more than the value of voltage in the circuit

6. a cell is used a) to increase the voltage output b) to reduce the current capacity c) to supply electric energy 7. the terminals of a cell are used a) to conduct current b) to increase voltage c) to connect the battery to a circuit 8. when cells are connected in series a) all the positive terminals are connected together b) all the negative terminals are connected together c) the positive terminal of one cell is connected to the negative terminal of the second 9. cells are connected in series in order a) to increase the current capacity b) to increase the voltage output 10. in order to increase the current capacity a) cells are connected in series b) cells are connected in parallel

IV. Find the words in the text by their definitions

1. a quality or characteristic that something has

2. to become loose and drop

3. to do and complete a task

4. a device for producing an electric current, for example, by the action of chemicals or light

5. a thin piece of metal on a scientific instrument that move to point to the correct measurement or direction6. to change something slightly to make it more suitably for a new set of conditions or to make it work better

7. to change direction or make something change direction, especially after hitting something

8. a substance that allows electricity or heat to pass along it or through it

9. very useful or important

10. something that you say or write that gives an information or an opinion

11. the power that somebody has to make somebody behave in a particular way

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