Виолетик2004

17.10.2022 11:28 •  Английский язык

Инглиш.Нужно
1) conductors; 2) insulators; 3) transmit; 4) resistance; 5) passage of current; 6)
socket; 7) to connect to; 8) cord; 9) high voltage transmission line; 10) leak off.
III. Find in the text the sentences with the following related words and translate
them:
conducting – conductor – conductivity – conductance
IV. Make up sentences corresponding to the information given in the text
Copper used to cover desk lamp cords
Silver one of the most important insulators of all is
Rubber the most widely used conductor
Glass a better conductor than copper
Iron not so good conductor as copper
Air the insulator usually used on the city street
poles and high voltage transmission lines
V. State questions to the underlined words:
1) Solid metals conduct electricity with ease.
2) Conductance depends on the four factors.
3) There are many kinds of insulation used to cover the wires.
4) Insulators keep electricity from leaking off the conductor.
5) Conductors play an important role in electrical engineering.
VI. Say whether these sentences are true or false:
1) Electrical conductivity of a body depends upon its atomic constitution.
2) There is no difference in the conducting ability of various substances.
3) The longer the wire is the weaker its opposition is.
4) The kind of the insulating material depends upon the purpose it is meant for.
5) Conductors are substances through which electricity is easily transmitted.
6) Insulators do not allow the electric current to flow freely.
VII. Talk on the conducting ability of various substances and their appliance in
electrical engineering. Use the table in Task IV.