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Worksheets

EleCtronic components

Total questions: 35

Worksheet time: 18mins

Name
Class
Date
1.

The name of this component:

a)

diode

b)

resistor

c)

capacitor

d)

transistor

2.

The name of this component:

a)

diode

b)

555 timer

c)

resistor

d)

transistor

3.

The name of this component:

a)

photocell

b)

transistor

c)

potentiometer

d)

transistor

4.

The name of this component:

a)

resistor

b)

LED

c)

photocell

d)

source

5.

The name of this component:

a)

transistor

b)

conductor

c)

555 timer

d)

potentiometer

6.

The name of this component:

a)

potentiometer

b)

photocell

c)

diode

d)

transistor

7.

The name of this component:

a)

resistor

b)

diode

c)

transistor

d)

capacitor

8.

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

9.

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

10.

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

11.

A small component that lights up when current flows through it.

a)

resistor

b)

capacitor

c)

circuit

d)

light-emitting diode

12.
Electrons have a positive charge.
a)
True
b)
False
13.

What is the function of this component?

a)

To produce sound

b)

To produce light

c)

A light sensor

d)

To resist the flow of electricity

14.

Is it possible to create a circuit without this component?

a)

Yes

b)

No

15.

What is its function?

a)

For balancing the weight of the product

b)

For providing power to activate the circuit

c)

For supporting other electronics components

d)

For holding dry cells

16.

What type of device is this?

a)

It is a transistor.

b)

It is a diode.

c)

It is an amplifier.

d)

It is a resistor.

17.
Name this electrical component
a)
Jump Wire
b)
Fixed Resistor
c)
Potentiometer
d)
Diode
18.

Which leg of the LED is the positive side?

a)

The longer one

b)

The shorter one

c)

There is no positive side

d)

They are both positive, I'm positive of it.

19.

Name this electrical component

a)

Capacitor

b)

Fixed Resistor

c)

Potentiometer

d)

Transistor

20.

What is the function of a transistor?

a)

A current amplifier

b)

A rectifier

c)

A power supply

d)

An adder device

21.

Name this electrical component

a)

Diode

b)

Fixed Resistor

c)

Transistor

d)

Light Dependent Resistor

22.

What is the name of this?

a)

Relay

b)

Variable Capacitor

c)

Rheostat

d)

Variable Resistor

23.

The component in the image is a...

a)

LED

b)

LDR

c)

DIODE

d)

RESISTOR

24.

The component in the image is a...

a)

LED

b)

DIODE

c)

LDR

d)

RESISTOR

25.

The component in the image is a...

a)

DIODE

b)

TRANSISTOR

c)

CAPACITOR

d)

RESISTOR

26.

The component in the image is a...

a)

RESISTOR

b)

RELAY

c)

MAGNET

d)

INTEGRATED CIRCUIT

27.

The component in the image is a...

a)

FIXED RESISTOR

b)

POTENTIOMETER

c)

LDR

d)

THERMISTOR

28.

A - - - - - - - - - stores electrical energy in an electric field

a)

Capacitor

b)

LED

c)

Thermistor

d)

Transistor

29.

This component limits the flow of current

a)

Capacitor

b)

Resistor

c)

Transistor

d)

Diode

30.

Allows current to flow in only one direction

a)

Resistor

b)

LED

c)

Diode

d)

Capacitor

31.

A semiconductor which glows when a voltage is applied

a)

Transistor

b)

Diode

c)

Battery

d)

LED

32.

The central processing unit that is generally made from a single integrated circuit.

a)

Capacitor

b)

Microprocessor

c)

LED

d)

Transistor

33.

This is a picture of a - - - - - - - - - - - - - -

a)

Transistor

b)

Microprocessor

c)

LED

d)

Resistor

34.

What are the name of the electronic components show? (we will use them today)

a)

jumper wires

b)

cables

c)

arduino.

35.

what is the name of the following component? (we will use it today

a)

DC Motor

b)

Fan

c)

speaker