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Worksheets

Electrical Components

Total questions: 13

Worksheet time: 7mins

Name
Class
Date
1.

What are electrical components used for?

a)

To build electrical circuits

b)

To create software programs

c)

To design buildings

d)

To cook food

2.

What do resistors add to a circuit?

a)

Voltage

b)

Resistance

c)

Current

d)

Power

3.

What is the symbol used to represent a resistor?

a)

Circle

b)

Square

c)

Zig-Zag

d)

Triangle

4.

Each resistor has a value in ______.

a)

Ohms (Ω)

b)

Volts (V)

c)

Amperes (A)

d)

Watts (W)

5.

What is the function of a capacitor?

a)

store and release electrical energy

b)
To measure electrical resistance.
c)
To convert AC to DC power.
d)
To amplify electrical signals.
6.

How is the symbol of a capacitor usually shown?

a)
A single curved line
b)
Two intersecting circles
c)
A triangle with a line through it
d)

Two parallel lines

7.

In what unit is capacitance measured?

a)

Farad

b)

Ohm

c)

Watt

d)

Henry

8.

What is the function of an inductor?

a)

Store energy in a magnetic field

b)

Convert electrical energy to light

c)

Measure temperature

d)

Amplify sound

9.

How is an inductor often depicted?

a)

As a straight line

b)

As a coil or spiral

c)

As a triangle

d)

As a square

10.

An inductor is measured in ______.

a)

Henries (H)

b)

Ohms (Ω)

c)

Farads (F)

d)

Watts (W)

11.

What is the function of a diode?

a)

Allow current to flow in both directions

b)

Allow current to flow in one direction only

c)

Block current flow completely

d)

Amplify current

12.

Fill in the blank: The symbol of a diode is represented by a triangle pointing to a _______.

a)

line

b)

circle

c)

square

d)

dot

13.

What is the function of a transistor?

a)

Store data

b)

Switch electronic signals

c)

Transmit light

d)

Measure temperature