10
Match the words (1-6) with the definitions (A-F)
1.
excess
A.
the ability of a substance to stop the flow of
current through it
2.
deficiency
B.
one of the small pieces of matter that the atom
consists of
3.
particle
C.
the force of an electric current produced by any
device that supplies electric energy
4.
electromotive
force
D.
something that allows electricity or heat to
travel along it
5.
conductor
E.
a lack of something that is necessary
6.
resistance
F.
more than a particular amount
Rearrange the letters in the words to form words associated with the
topic
1.
( t e u b s a c s n s ) to resist the flow of current are termed
insulators.
2.
Charges that are the same (e l p e r) each other.
3.
Two parallel currents flowing in the same direction (t c t a r t a) each
other.
4.
Engineers must know how materials respond to (t r l e n e x a s
r e o f c), such as tension, compression etc.
5.
(l e t o p i t a n e f e i f n c d e r) is defined as the work that
must be performed to move a charge from one point to another.
6.
An electrical current (s l w f o) from positive to negative.
Put in the missing words (the same words may be used several times)
negative
electron (s)
repel
battery
terminal
current
flow
attract
negatively
circuit
components
positive
An electric current is a _______________ of ________________ charged
particles called ________________ flowing through the wires and electronic
_________________ built-in the electric ________________. It can be
compared to the _______________ of water through pipes, radiators etc. As
water is pushed through pipes by a pump, electric current is pushed through
wires by a _______________.
