Экзаменационные вопросы для электронщиков (English)

Examination question for electronic technicians.

1. What elements of an electric circuit do you know?

Its elements are a voltage source,a resistor and a conductor.

2. What are the functions of a voltage source, a resistor and a conductor?

A voltage source supplies current, a resistor reduces current a conductor connects the elements of the circuit.

3. What are the most common meters?

The most common meters are the ohmmeter, the ammeter and the voltmeter.

4.What are the ohmmeter and the ammeter used for?

The ohmmeter is used to measure the value of resistance. The ammeter is used to measure the value current.

5. What is an electric cell used for? What is it used for?

An electric cell is used to produce and suppy electric enerhy. It consists of an electrolyte and two electrodes.

6. What is a capacitor? What is it used for?

A capacitor is one of the main elements of a circuit. It is used to store electric energy.

7. What are conductors? Name the most common of them.

Conductors are materials having a low resistance. The most common conductors are metals. Silver and copper are the best of them.

8. What are insulators? Name the most common of them.

Insulators are metarials having a very high resistance. The mostcommon insulators are air, paper,rubber, plastics.

9. What is current? What types of currents do you know?

Current is a flow of electricity through a circuit. There are two main ttypes of current:direct and alternating.

10. What types of electron tubes are used nowadays?

Among the electron tubes in use nowadays there are a diode, a triode, a tetrode and a pentode.