Components

Question 1

What do fuses do?

Answer 1

They break if too much current flows through them

Question 2

What do diodes do?

Answer 2

They only allow current to flow in one direction

Question 3

Are Voltmeters added in A:Parallel or B:Series

Answer 3

A

Question 4

What does a variable resistor do?

Answer 4

It allows you to modify the amount of
resistance

Question 5

What does an LDR do?

Answer 5

an LDR is a resistor that has low resistance when it has high light intensity and vice versa

Question 6

What does a Thermistor do?

Answer 6

A thermistor is a resistor that has low resistance when its hot and vice versa

Question 7

What are two uses for Thermistors?

Answer 7

Car engines, Electronic thermostats

Question 8

Wat are two uses of LDR’s?

Answer 8

Automatic night lights, Burglar alarms