Circuit Devices

HideShow resource information
A diode is made from...
semiconductor material like silicon
1 of 12
It is used to...
regulate the p.d. in circuits
2 of 12
It lets current flow freely in one direction...
but not in the other (i.e. There is a high resistance in the opp direction)
3 of 12
A LED emits light when a current flows through it in...
the forward direction
4 of 12
LED's are used for lighting more often as they use a...
much smaller current than other forms
5 of 12
They indicate the presence of a...
current in a circuit
6 of 12
Examples include numbers on digital clocks...
traffic lights, remote controls and tv's
7 of 12
Light-dependent Resistors - in bright light, the resistance falls and in darkness...
the resistance is highest
8 of 12
Can be used for automatic night lights...
outdoor lighting and burglar detector
9 of 12
A thermistor is a...
temperature dependent resistor
10 of 12
In hot conditions, the resistance...
drops and vice versa
11 of 12
Can be used for...
temperature detectors
12 of 12

Other cards in this set

Card 2

Front

regulate the p.d. in circuits

Back

It is used to...

Card 3

Front

but not in the other (i.e. There is a high resistance in the opp direction)

Back

Preview of the back of card 3

Card 4

Front

the forward direction

Back

Preview of the back of card 4

Card 5

Front

much smaller current than other forms

Back

Preview of the back of card 5
View more cards

Comments

No comments have yet been made

Similar Physics resources:

See all Physics resources »See all Circuits resources »