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Worksheets

Schematic Diagrams and Symbols

Total questions: 27

Worksheet time: 13mins

Name
Class
Date
1.

Name this symbol:

a)

Motor

b)

Bulb

c)

Open Switch

d)

Wire

2.
This is the symbol for a ...
a)
Wire
b)
Battery
c)
Buzzer
d)
Fuse
3.
a)

diode

b)

Resistor

c)

motor

4.

Look at this picture of parallel circuit. If one of the light bulb breaks, what will happen to the other light bulb?

a)

The other light bulb will still on

b)

The other light bulb will be off

c)

Both lights will be off

d)

None of the light will be off

5.

What does this symbol show

a)

Battery

b)

DC Power Supply

c)

Resistor

6.

What symbol is this?

a)

Lamp

b)

LED

c)

Diode

d)

Photoresistor

7.

What symbol is this?

a)

Lamp

b)

LED

c)

Diode

d)

Photoresistor

8.

What symbol is this?

a)

Lamp

b)

LED

c)

Diode

d)

Photoresistor

9.

What symbol is this?

a)

Lamp

b)

LED

c)

Diode

d)

Photoresistor

10.

What symbol is this?

a)

Thermistor

b)

Fixed Resistor

c)

Potentiometer

d)

Transistor

11.

What symbol is this?

a)

Thermistor

b)

Fixed Resistor

c)

Potentiometer

d)

Transistor

12.

What symbol is this?

a)

Thermistor

b)

Fixed Resistor

c)

Potentiometer

d)

Transistor

13.

What symbol is that?

a)

Push button switch

b)

Slide Switch

c)

2 Way Switch

d)

Capacitor

14.

What symbol is that?

a)

Push button switch

b)

Slide Switch

c)

2 Way Switch

d)

Capacitor

15.

What's wrong with this circuit?

a)

The LED are backwards.

b)

The resistance is too high.

c)

The voltage is too low.

d)

It's a short circuit.

16.

What type of circuit is this?

a)

Series

b)

Parallel

c)

Combination

d)

Short

17.

These components supply electrical energy to a circuit. One terminal is positive and one is negative.

a)

Battery and DC Source

b)

Resistor and Motor

c)

Switch and Lamp

18.

This component changes resistance based on the intensity of light it is exposed to.

a)

LED

b)

Photoresistor

c)

Diode

19.

A device that limits or restricts flow of electrons based on temperature.

a)

Thermistor

b)

Photoresistor

c)

Motor

20.

This component converts electrical energy into motion.

a)

Lamp

b)

Push Switch

c)

Motor

21.

These are mechanical devices that connect or disconnect a component or circuit.

a)

Lamp and Diode

b)

Push Switch and Switch

c)

Battery and Resistor

22.

This device permits current to flow through it in only one direction.

a)

Diode

b)

Potentiometer

c)

Lamp

23.

These components produce light when a current flows through.

a)

Thermistor and Photoresistor

b)

Potentiometer and Lamp

c)

Lamp and LED

24.

This component is a variable resistor, which means it’s resistance can be varied mechanically between its minimum and maximum values.

a)

Fixed resistor

b)

Potentiometer

c)

LED

25.

This component restricts or reduces the flow of current. Value is indicated by color bands and cannot be changed.

a)

Fixed resistor

b)

Diode

c)

Lamp

26.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
27.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training