. .
Task 6. Choose the suitable words. (Выберите подходящее слово из скобок. )
The danger of electric shock (appears, disappears) when the conductor becomes (live, dead).
Current passes through faulty (earthed, unearthed) part of installations when the power is on.
Low accuracy of measurement is (an advantage, a disadvantage) of the measuring device.
The danger of electric shock (increases, decreases) in the wet and hot atmosphere.
No current flows through a (dead, live) conductor.
Task 7. Complete the sentences choosing the right ending. (Закончите предложения, подобрав соответствующее продолжение. )
Resistors are used . . . a) to convert different forms of energy into
mechanical energy
An electric cell is used . . . b) to protect electrical equipment against
overcurrents
A capacitor is used . . . c) to produce the output voltage greater
than the input voltage
A transformer is used . . . d) to separate direct current from
alternating current.
Filters are used . . . e) to transfer energy.
An amplifier is used . . . f) to store electric energy.
Fuses are used . . . g) to produce and supply electric energy.
Electric motors are used . . . h) to reduce the value of current in the circuit.
Task 8. Find one false statement. (Укажите неверное утверждение. )
The main components of any circuit are devices that produce and utilize electric energy.
Electric generators convert chemical energy into electric energy.
A push-pull amplifier includes two tubes.
The basic unit for measuring electric power is the watt.
Resistors consist of an electrolyte and two electrodes.
Task 9. Put the words in the right order. (Поставьте слова в пра
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