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Vocabulary

electronic device електронний прилад

flow, current струм

conductor провідник

fields of force силове поле

randow movement хаотичний рух

drift плинути

terminal клема

voltage напруга

electromotive force електрорушійна сила

displace витісняти, заміщати

excess надмір, надлишок

deficiency нестача

source джерело (струму)

broken circuit розірванe коло

path шлях

power supply джерело енергії

Test

1.Match the titles to the parts of the text:

1). Electron movement

2).Batteries and generators

3). Electric circuit

4). Electricity

A

B

C

D

2.Match the notions to their definitions:

1. Electrical and Electronic 1. Engineering

a). a flow of free electrons a) a)through a conductor.

2. Electric current

b) The branch of engineering that deals with the effects and processes resulting from the behavior of tiny particles of matter called electrons.

3. Conductance

c) the property of an elec­tric circuit to convert power from

electrical form to heat

4 Resistance.

d) the property of a substance to carry out electricity.

1

2

3

4

3.What statements are true or false:

1). Electromotive force the work per unit charge done by the

charges in moving from one point to the other.

2). Volt a unit of measuring mass and electric potential.

3). Electricity is a flow of an electric current now accepted as a slow drift of so-called “free resistance” through a conductor.

4). There are two general methods by which a continuous supply of electrical charge is obtained; one being by

5). The battery is known to be a device by which mechanical energy is transformed into electrical energy

6). If an electromotive force (a battery), conductors (wires), and

resistances (electric lamps of motors) are combined in a such a way as to have current flow an electric circuit has been made.

1

2

3

4

5

6

4). Choose the right statement:

1). electric current is known to be…

a) difference between two points

b) ; a flow of free electrons through a conductor;

c) a unit of measuring electromotive force and electric potential

2). conductance is defined as…

a) the property of a substance to carry out electricity.

b) the work per unit charge done by the charges in moving from one point to the other;

c) the property of an elec­tric circuit to convert power from electrical form to heat

3). a unit of measuring electromotive force and electric potential is called..

a)ohm,

b) watt,

c)volt.

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