Electricity Basics Quiz: Test Your Understanding of Electrical Concepts

Question 1

What unit do we use to measure electric current?

Accepted Answer

Amps

Answer

Volts

Answer

Ohms

Answer

Watts

Question 2

What happens to the current in a circuit if the resistance increases?

Accepted Answer

It decreases

Answer

It increases

Answer

It stays the same

Answer

It flows in reverse

Question 3

What kind of energy is changed into light energy in a light bulb?

Accepted Answer

Electrical energy

Answer

Chemical energy

Answer

Heat energy

Answer

Mechanical energy

Question 4

Which of these energy sources is renewable and can be used to make electricity?

Accepted Answer

Solar power

Answer

Coal

Answer

Natural gas

Answer

Nuclear power

Question 5

What is a switch used for in a circuit?

Accepted Answer

To open or close the circuit and control the flow of current.

Answer

To increase or decrease the current in the circuit.

Answer

To protect the circuit from too much current.

Answer

To generate electricity.

Question 6

Which material allows electricity to flow through it easily?

Accepted Answer

Metal

Answer

Plastic

Answer

Rubber

Answer

Wood

Question 7

What unit measures electric voltage?

Accepted Answer

Volt

Answer

Ampere

Answer

Ohm

Answer

Watt

Question 8

What is the primary purpose of a fuse in an electric circuit?

Accepted Answer

Prevent overloading

Answer

Increase current flow

Answer

Store electricity

Answer

Convert AC to DC

Question 9

Differentiate between AC and DC current.

Accepted Answer

AC flows in both directions, DC flows in one

Answer

AC flows in one direction, DC flows in both

Answer

AC is stronger than DC

Answer

DC is stronger than AC

Question 10

Which device converts electrical energy into mechanical energy?

Accepted Answer

Motor

Answer

Battery

Answer

Resistor

Answer

Bulb

Question 11

What is the primary function of a capacitor in an electric circuit?

Accepted Answer

Storing charge

Answer

Increasing voltage

Answer

Reducing current

Answer

Protecting components from overvoltage

Question 12

What is the unit used to measure the amount of 'push' or pressure in an electric circuit?

Accepted Answer

Volts

Answer

Amperes

Answer

Ohms

Answer

Watts

Question 13

Which of these materials allows electricity to flow through it easily?

Accepted Answer

Copper

Answer

Plastic

Answer

Wood

Answer

Rubber

Question 14

What will happen to the brightness of a bulb if you increase the voltage of the battery in the circuit?

Accepted Answer

It will become brighter

Answer

It will become dimmer

Answer

It will stay the same

Answer

It will start to flicker

Question 15

What is the purpose of a fuse in an electric circuit?

Accepted Answer

To protect the circuit from too much electricity

Answer

To control the flow of electricity

Answer

To store electricity

Answer

To create electricity

Question 16

In an electrical diagram, which symbol represents a battery?

Accepted Answer

||

Answer

=

Answer

O

Answer

[]

Question 17

Which equation shows the relationship between voltage (V), current (I), and resistance (R) in a circuit?

Accepted Answer

Current = Voltage / Resistance

Answer

Voltage = Current / Resistance

Answer

Resistance = Voltage / Current

Answer

Resistance = Current / Voltage

Question 18

Which of the following is an example of a series circuit?

Accepted Answer

Fairy lights that are connected end-to-end

Answer

Batteries that are connected side-by-side

Answer

Light bulbs that are connected to multiple switches

Answer

Power sockets in a room

Question 19

What do we measure electric current in?

Accepted Answer

Amperes

Answer

Volts

Answer

Ohms

Answer

Watts

Question 20

Which of these materials conducts electricity well?

Accepted Answer

Metal

Answer

Plastic

Answer

Rubber

Answer

Wood

Question 21

If you increase the voltage in a circuit, what happens to the current?

Accepted Answer

It increases

Answer

It decreases

Answer

It stays the same

Answer

It might increase or decrease, we don't know

Question 22

In a circuit diagram, what shape represents a resistor?

Accepted Answer

Zigzag line

Answer

Circle

Answer

Square

Answer

Triangle

Question 23

What happens if you increase the resistance in a circuit?

Accepted Answer

The current decreases

Answer

The current increases

Answer

The voltage increases

Answer

The voltage decreases

Question 24

Which of these is a clean and never-ending source of energy?

Accepted Answer

Solar power

Answer

Coal

Answer

Natural gas

Answer

Nuclear power

Question 25

Which material allows electricity to flow through it easily?

Accepted Answer

Metal

Answer

Plastic

Answer

Wood

Answer

Rubber

Question 26

What is the name for the complete path that electricity follows?

Accepted Answer

Circuit

Answer

Voltage

Answer

Current

Answer

Resistance

Question 27

Which tool is used to measure the strength of an electric current?

Accepted Answer

Ammeter

Answer

Voltmeter

Answer

Ohmmeter

Answer

Wattmeter

Question 28

What unit is used to measure electrical resistance?

Accepted Answer

Ohms

Answer

Volts

Answer

Amperes

Answer

Watts

Question 29

Which type of electrical device uses electricity to make heat?

Accepted Answer

Toaster

Answer

Fan

Answer

Television

Answer

Computer

Question 30

What is the most important part of an electric battery?

Accepted Answer

Electrolyte

Answer

Metal plates

Answer

Acid

Answer

Plastic casing

Question 31

Which material is commonly used to cover electrical wires to prevent shocks?

Accepted Answer

Rubber

Answer

Cotton

Answer

Wool

Answer

Metal

Question 32

What is a source of electrical energy?

Accepted Answer

A battery

Answer

A magnet

Answer

A light bulb

Answer

A resistor

Question 33

What is the correct order of components in a simple electrical circuit?

Accepted Answer

Battery, resistor, bulb

Answer

Bulb, battery, resistor

Answer

Resistor, battery, bulb

Answer

Bulb, resistor, battery

Question 34

Which of the following materials can conduct electricity?

Accepted Answer

Metal

Answer

Plastic

Answer

Rubber

Answer

Wood

Question 35

What is a fuse used for in an electrical circuit?

Accepted Answer

To protect the circuit from damage if too much current flows

Answer

To provide a path for current to flow

Answer

To store electricity

Answer

To regulate the voltage in the circuit

Question 36

Which unit is used to measure electrical current?

Accepted Answer

Ampere

Answer

Volt

Answer

Ohm

Answer

Coulomb

Question 37

Which of the following is not a part of an electrical circuit?

Accepted Answer

Rubber

Answer

Battery

Answer

Wire

Answer

Switch

Question 38

Which material allows electricity to flow through it easily?

Accepted Answer

Metal

Answer

Plastic

Answer

Rubber

Answer

Wood

Question 39

What happens to the current in a circuit if the resistance increases?

Accepted Answer

It decreases

Answer

It increases

Answer

It stays the same

Answer

It reverses direction

Question 40

What is the purpose of a resistor in a circuit?

Accepted Answer

To control the flow of electricity

Answer

To increase the flow of electricity

Answer

To store electrical energy

Answer

To act as a switch

Question 41

Which of the following can produce electrical energy?

Accepted Answer

Battery

Answer

Glass

Answer

Plastic

Answer

Wood

Question 42

What unit is used to measure electrical current?

Accepted Answer

Ampere (A)

Answer

Volt (V)

Answer

Ohm (Ω)

Answer

Watt (W)

Question 43

Which material below allows electricity to flow through it?

Accepted Answer

Copper

Answer

Rubber

Answer

Wood

Answer

Plastic

Question 44

What is the main purpose of a switch in an electrical circuit?

Accepted Answer

To control the flow of electricity

Answer

To generate electricity

Answer

To store electricity

Question 45

Which of the following is a property of a series circuit?

Accepted Answer

The current is the same throughout the circuit

Answer

The voltage is the same throughout the circuit

Answer

The resistance is the same throughout the circuit

Answer

The power is the same throughout the circuit

Question 46

What is the effect of adding more batteries to an electrical circuit?

Accepted Answer

The voltage increases

Answer

The resistance decreases

Answer

The power remains the same

Answer

The current decreases

Question 47

Why do we use fuses in electrical circuits?

Accepted Answer

To prevent damage to the circuit due to excess current

Answer

To store electrical energy

Answer

To measure electrical current

Answer

To improve the flow of electricity

Question 48

Which of the following is NOT an example of a common household use of electricity?

Accepted Answer

Cooking with gas

Answer

Lighting

Answer

Refrigeration

Answer

Heating

Question 49

What is a key advantage of using alternating current (AC) compared to direct current (DC)?

Accepted Answer

It can be transmitted over long distances with minimal power loss

Answer

It is more efficient

Answer

It is safer to use

Question 50

What is a **closed** electrical circuit?

Accepted Answer

A path where electricity can continuously flow

Answer

A part of a circuit that temporarily blocks electricity

Answer

A path where electricity cannot flow

Answer

A part of a circuit that stores electricity

Question 51

Which of the following materials is a good conductor of electricity?

Accepted Answer

Metal

Answer

Plastic

Answer

Wood

Question 52

What is the unit of measurement for electrical current?

Accepted Answer

Ampere

Answer

Volt

Answer

Ohm

Answer

Watt

Question 53

What is the purpose of a fuse in an electrical circuit?

Accepted Answer

To protect the circuit from damage caused by excessive current

Answer

To switch the circuit on and off using electromagnetism

Answer

To store electrical energy

Answer

To measure the current in the circuit

Question 54

Which circuit allows the current to go through multiple paths?

Accepted Answer

Parallel circuit

Answer

Series circuit

Question 55

What is the function of a resistor in a circuit?

Accepted Answer

To limit the flow of current and control voltage

Answer

To increase the flow of current

Answer

To store electrical energy

Answer

To switch the circuit on and off

Question 56

What is the primary function of a capacitor in a circuit?

Accepted Answer

To store electrical energy in an electric field

Answer

To switch the circuit on and off

Answer

To limit the flow of current

Question 57

Which of the following energy sources is renewable?

Accepted Answer

Solar power

Answer

Natural gas

Answer

Coal

Answer

Nuclear power