Components Flashcards
1
Q
What do fuses do?
A
They break if too much current flows through them
2
Q
What do diodes do?
A
They only allow current to flow in one direction
3
Q
Are Voltmeters added in A:Parallel or B:Series
A
A
4
Q
What does a variable resistor do?
A
It allows you to modify the amount of
resistance
5
Q
What does an LDR do?
A
an LDR is a resistor that has low resistance when it has high light intensity and vice versa
6
Q
What does a Thermistor do?
A
A thermistor is a resistor that has low resistance when its hot and vice versa
7
Q
What are two uses for Thermistors?
A
Car engines, Electronic thermostats
8
Q
Wat are two uses of LDR’s?
A
Automatic night lights, Burglar alarms
