Конструктор тестів
1
Choose the correct word
At present the nature of __ is explained by the electron theory.
2
Choose the correct word
Any instrument which measures electrical values is called ___ .
3
Choose the correct word
A capacitor is used for storing ___ .
4
Match word combinations with their translation
measuring units and instruments
конденсатор це електричний прилад
a capacitor is an electrical device
система запалювання автомобілів
alternating current
позитивний електрод
positive electrode
змінний струм
sources of electrical energy
джерела електричної енергії
the ignition system of automobiles
одиниці вимірювання та прилади
5
Choose the correct answer to complete each sentence.
1) The mechanic [is repairing, was repairing] the engine now.
2) He [will measure, measured] electrical power 2 hours ago.
3) A new power station [is built, will be built] in the nearest future.
4) Now all substances [are, is] good conductors of electricity.
5) Battery cells [have, has] dry cells and wet cells.
6
The nominal value of a brown, black, yellow, and gold resistor is 100,000 ohms.
7
An ammeter is connected across the current path.
8
Free electrons make current possible.
9
A potentiometer is a two-terminal variable resistor.
10
The atomic number is the number of neutrons in the nucleus.
11
A free electron is a valence electron that has broken away from its parent atom.
12
Resistance limits the current.
13
A voltmeter is connected across the current path.
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