21
5.
The disappearance of all resistance is a phenomenon known as
conductivity.
6.
Metals, such as gold, copper, steel, etc. represent good
conductors/
insulators.
Translate into English
1.
Все вещества имеют способность пропускать ток.
2.
Проводники — это материалы, через которые легко проходит
электрический ток.
3.
Изоляторы сопротивляются потоку электрического тока.
4.
Если мы используем веревку вместо проволоки, ток исчезает.
5.
Изоляционные материалы покрывают провода.
6.
Медь имеет большую пропускную способность, чем железо.
7.
Проводимость зависит от размера проволоки, ее длины и
температуры.
Fill in the missing words (some words may be used more than once)
aluminum
atomic
bars
conductivity
conductor
copper
electricity
gold
insulators
made
metals
power lines
resistance
sheets
silver
spans
supports
tubes
weight
wire
1. The electrical ___________________ of matter is dependent upon the
_________________ structure of the material from which the
_____________________ is _________________.
2.
____________________
have
an
extremely
high
______________________ to the flow of _____________________.
3.
Some
__________________
are
better conductors
of
___________________ than others.
4. _______________ is the best conductor, followed by
__________________, ________________ and _____________________.
5. _____________________ is used where ____________________ is a
major
consideration,
such
as
high-tension
_________________
___________________,
with
long
__________________
between
___________________.
6.
Conductors
are
usually
found
in
the
form
of
______________________, but may be in the forms of ________________,
______________________ or ____________________.
