wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Electronic Components

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

The name of this component:

a)

diode

b)

resistor

c)

capacitor

d)

transistor

2.

The name of this component:

a)

resistor

b)

capacitor

c)

photocell

d)

transistor

3.

The name of this component:

a)

diode

b)

555 timer

c)

resistor

d)

transistor

4.

The name of this component:

a)

photocell

b)

transistor

c)

potentiometer

d)

transistor

5.

The name of this component:

a)

resistor

b)

LED

c)

photocell

d)

source

6.

The name of this component:

a)

transistor

b)

conductor

c)

555 timer

d)

potentiometer

7.

The name of this component:

a)

potentiometer

b)

photocell

c)

diode

d)

transistor

8.

The image is the symbol for a:

a)

LED

b)

resistor

c)

diode

d)

conductor

9.

The image is the symbol for:

a)

resistor

b)

photocell

c)

transistor

d)

potentiometer

10.

The following is a symbol for a:

a)

resistor

b)

diode

c)

transistor

d)

potentiometer

11.

The image is a symbol for a:

a)

diode

b)

LED

c)

source

d)

photocell

12.

The image is a symbol for a:

a)

transistor

b)

LED

c)

diode

d)

potentiometer

13.

The following is a symbol for a:

a)

LED

b)

photocell

c)

diode

d)

source

14.

The image is the symbol for a:

a)

diode

b)

capacitor

c)

LED

d)

555 Timer

15.

The name of this component:

a)

resistor

b)

diode

c)

transistor

d)

capacitor

16.

The function of a transistor is:

a)

store electrical charge

b)

perform the function of an electronic switch

c)

control the direction of current

d)

control the amount of electrical current

17.

The function of this component is to:

a)

vary the amount of resistance

b)

hold electrical charge

c)

allow current to pass in only one way

d)

act as an electrical switch

18.

A potentiometer :

a)

holds electrical charge

b)

controls the direction of current flow

c)

varies resistance according to the amount of light

d)

is a variable resistor which is controlled by turning a knob

19.

The function of this component is:

a)

vary resistance to a circuit by the amount of light that strikes its surface

b)

to perform the function of a switch or an amplifier

c)

to create various kinds of time delays in a circuit

d)

to indicate the presence of current (ON/OFF states of electrical components

20.

The function of a resistor is to:

a)

is to allow an electric current to pass in one direction

b)

perform the function of a switch

c)

limit and/or control the voltage and current in an electronic circuit

d)

store electrical charge

21.

The function of this component is to:

a)

store electrical charge

b)

create various kinds of time delays in a circuit

c)

act as a variable resistor

d)

indicate the presence of current

22.

The function of this component is to:

a)

store electrical charge

b)

create various kinds of time delays in a circuit

c)

perform the function of a switch or an amplifier

d)

allow an electric current to pass in one direction

23.

The function of an LED is to:

a)

store electrical charge

b)

perform the function of a switch or an amplifier

c)

limit and/or control the voltage and current in an electronic circuit

d)

indicate the presence of current

24.

The name of this component is:

a)

Motion sensor

b)

RGB LED

c)

Transistor

d)

Photocell

25.

The name of this component is:

a)

Motion sensor

b)

RGB LED

c)

Potentiometer

d)

Light bulb