Electronics

Question 1

Cell and battery

Answer 1

Used as a source of energy

Question 2

LED

Answer 2

Used to produce light

Question 3

Switch

Answer 3

Used to turn a circuit on and off

Question 4

Resistor

Answer 4

Used to provide a stable output voltage

Question 5

Variable resistor

Answer 5

Used to control the flow of current by changing the amount of resistance

Question 6

Diode

Answer 6

Used to make sure current flows one way

Question 7

Fuse

Answer 7

Used to break the circuit if too much current flows

Question 8

Transistor

Answer 8

Used to control current flow

Question 9

LDR

Answer 9

Used to detect light levels

Question 10

Buzzer

Answer 10

Used for sound signalling

Question 11

Thermistor

Answer 11

Used to detect temperature levels

Question 12

Motor

Answer 12

Used to convert electrical energy into mechanical energy

Question 13

Capacitor

Answer 13

Used to store and release electricity