Electrical Systems Design: Interactive Quizzes for Year 6 Primary School Students

Question 1

Which of these materials allows electricity to flow easily?

Accepted Answer

Copper

Answer

Plastic

Answer

Rubber

Answer

Wood

Question 2

What is the primary function of a switch in an electrical circuit?

Accepted Answer

To regulate the flow of electricity

Answer

To store electrical energy

Answer

To transform electrical energy into light

Answer

To measure electrical current

Question 3

How does adding more resistors in series to a circuit affect the total resistance?

Accepted Answer

Increases the total resistance

Answer

Decreases the total resistance

Answer

Increases the total current

Answer

Decreases the total current

Question 4

Which of these materials can conduct electricity?

Accepted Answer

Metal

Answer

Plastic

Answer

Wood

Answer

Rubber

Question 5

Which of these is a renewable energy source?

Accepted Answer

Wind

Answer

Coal

Answer

Natural Gas

Answer

Oil

Question 6

What is the purpose of using a breadboard in electrical circuits?

Accepted Answer

To temporarily connect components for testing

Answer

To create permanent connections between components

Answer

To store electrical energy

Answer

To control the flow of current

Question 7

What is the main reason for using relays in electrical systems?

Accepted Answer

To isolate circuits from each other

Answer

To amplify electrical signals

Answer

To control high voltage circuits

Answer

To regulate current flow

Question 8

Which of these materials allows electricity to flow through it?

Accepted Answer

Metal

Answer

Plastic

Answer

Rubber

Answer

Wood

Question 9

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

Accepted Answer

To protect components from too much current

Answer

To allow current to flow

Answer

To store electrical energy

Answer

To regulate voltage

Question 10

Which type of switch allows electricity to flow in only one direction?

Accepted Answer

Diode

Answer

Single-pole switch

Answer

Double-pole switch

Answer

Transistor

Question 11

Which of these symbols represents a resistor in a circuit diagram?

Accepted Answer

[Image of resistor symbol]

Answer

[Image of capacitor symbol]

Answer

[Image of inductor symbol]

Answer

[Image of LED symbol]

Question 12

What is the function of a capacitor in an electrical circuit?

Accepted Answer

To store electrical charge

Answer

To regulate voltage

Answer

To filter out unwanted signals

Answer

To amplify current

Question 13

Which of these is NOT a component of an electrical circuit?

Accepted Answer

Magnet

Answer

Battery

Answer

Wire

Answer

Bulb

Question 14

What is the purpose of a switch in a circuit?

Accepted Answer

To break a circuit

Answer

To complete a circuit

Answer

To regulate the flow of current

Answer

To store energy

Question 15

Which of these materials is a good conductor of electricity?

Accepted Answer

Metal

Answer

Plastic

Answer

Wood

Answer

Rubber

Question 16

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

Accepted Answer

To prevent damage if too much current flows through the circuit

Answer

To regulate current flow in the circuit

Answer

To store energy in the circuit

Answer

To protect users from electrical shocks

Question 17

What is the unit used to measure electrical current?

Accepted Answer

Ampere

Answer

Volt

Answer

Ohm

Answer

Watt

Question 18

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

Accepted Answer

To limit current flow in the circuit

Answer

To increase current flow in the circuit

Answer

To store energy in the circuit

Answer

To protect the circuit from overcurrent

Question 19

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

Accepted Answer

To prevent excessive current flow

Answer

To allow current to flow smoothly

Answer

To store electrical charge

Answer

To regulate voltage

Question 20

What is the unit of electrical current in the SI system?

Accepted Answer

Ampere

Answer

Volt

Answer

Ohm

Answer

Watt

Question 21

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

Accepted Answer

To decrease current flow

Answer

To increase current flow

Answer

To store electrical charge

Answer

To generate electricity

Question 22

What is the main function of a transformer?

Accepted Answer

To change the voltage of an electrical signal

Answer

To convert AC to DC

Answer

To convert DC to AC

Answer

To regulate the flow of current

Question 23

In an electrical circuit, which of these items is NOT a component?

Accepted Answer

Water

Answer

Battery

Answer

Resistor

Answer

Motor

Question 24

What is a resistor used for in an electrical circuit?

Accepted Answer

To control the flow of current

Answer

To store energy

Answer

To produce heat

Answer

To strengthen signals

Question 25

When working on an electrical circuit, what safety precaution should you take first?

Accepted Answer

Turn off the power supply

Answer

Put on rubber gloves

Answer

Use a multimeter

Answer

Check the wiring

Question 26

What is the main function of a capacitor in an electrical circuit?

Accepted Answer

To store electrical charge

Answer

To control voltage levels

Answer

To filter signals

Answer

To increase power

Question 27

What is the main benefit of using a transformer in an electrical circuit?

Accepted Answer

To alter voltage levels

Answer

To separate circuits

Answer

To regulate current levels

Answer

To get rid of noise

Question 28

Which tool is used to measure voltage in an electrical circuit?

Accepted Answer

Voltmeter

Answer

Multimeter

Answer

Ammeter

Answer

Ohmmeter

Question 29

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

Accepted Answer

To protect against excessive current

Answer

To regulate voltage levels

Answer

To store energy

Answer

To amplify signals

Question 30

Which item is NOT used in an electrical circuit?

Accepted Answer

Water

Answer

Battery

Answer

Wire

Answer

Switch

Question 31

What is the purpose of a fuse?

Accepted Answer

To prevent electrical fires

Answer

To control the flow of current

Answer

To store electrical energy

Answer

To conduct electricity

Question 32

Which circuit allows current to flow in only one direction?

Accepted Answer

Series circuit

Answer

Parallel circuit

Answer

Closed circuit

Answer

Open circuit

Question 33

What is the unit of electrical current?

Accepted Answer

Ampere

Answer

Volt

Answer

Ohm

Answer

Watt

Question 34

Which is a good conductor of electricity?

Accepted Answer

Metal

Answer

Plastic

Answer

Rubber

Answer

Glass

Question 35

Which tool do we use to measure electrical current?

Accepted Answer

Ammeter

Answer

Voltmeter

Answer

Ohmmeter

Answer

Multimeter

Question 36

Which material allows electricity to pass through it easily?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Rubber

Question 37

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

Accepted Answer

To prevent damage from excessive current flow

Answer

To allow current to flow without interruption

Answer

To store electrical energy

Answer

To amplify electrical signals

Question 38

Which of the following materials does NOT conduct electricity?

Accepted Answer

Rubber

Answer

Copper

Answer

Aluminium

Answer

Steel

Question 39

What is the main difference between a series circuit and a parallel circuit?

Accepted Answer

In a series circuit, current has only one path to flow, while in a parallel circuit, current has multiple paths

Answer

In a parallel circuit, current has only one path to flow, while in a series circuit, current has multiple paths

Answer

Series circuits use more energy than parallel circuits

Answer

Parallel circuits are more efficient than series circuits

Question 40

Which of the following can increase the resistance in an electrical circuit?

Accepted Answer

Adding more resistors

Answer

Increasing the voltage

Answer

Decreasing the current

Answer

Using a thicker wire

Question 41

What is the unit used to measure electrical current?

Accepted Answer

Amps

Answer

Volts

Answer

Ohms

Answer

Watts

Question 42

Which of the following is NOT a source of electrical energy?

Accepted Answer

Compost

Answer

Battery

Answer

Solar panel

Answer

Wind turbine

Question 43

What is the main function of a capacitor in an electrical circuit?

Accepted Answer

To store electrical energy

Answer

To conduct electricity

Answer

To block current flow

Answer

To amplify electrical signals

Question 44

Which material is a good conductor of electricity?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Rubber

Question 45

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

Accepted Answer

To provide a safe path for excess current

Answer

To store electrical energy

Answer

To regulate voltage

Answer

To amplify signals

Question 46

How do you calculate the resistance of a resistor?

Accepted Answer

R = V / I

Answer

R = I / V

Answer

R = V - I

Answer

R = I + V

Question 47

What does a 'short circuit' mean?

Accepted Answer

A complete path for electricity to flow without resistance

Answer

A break in the electrical circuit

Answer

A high resistance in the electrical circuit

Answer

A low resistance in the electrical circuit

Question 48

What is the purpose of a circuit diagram?

Accepted Answer

To represent an electrical circuit using symbols

Answer

To generate electricity

Answer

To measure electrical current

Answer

To insulate electrical wires

Question 49

What scientific law describes the relationship between current, voltage, and resistance in an electrical circuit?

Accepted Answer

Ohm's Law

Answer

Kirchhoff's Voltage Law

Answer

Kirchhoff's Current Law

Answer

Coulomb's Law

Question 50

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

Accepted Answer

To protect the circuit from overcurrent

Answer

To control the flow of electricity

Answer

To convert electrical energy into heat energy

Answer

To store electrical energy

Question 51

What is the main purpose of a breadboard in electrical circuit design?

Accepted Answer

To provide a temporary platform for prototyping circuits

Answer

To generate electricity

Answer

To measure electrical voltage

Answer

To protect electrical components from damage

Question 52

Which component is NOT found in a typical electrical circuit?

Accepted Answer

Magnet

Answer

Battery

Answer

Switch

Answer

Light bulb

Question 53

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

Accepted Answer

To prevent damage in case of excessive current

Answer

To allow electricity to flow smoothly

Answer

To store electrical energy

Answer

To control the brightness of a light bulb

Question 54

Which material is known for its ability to conduct electricity well?

Accepted Answer

Copper

Answer

Wood

Answer

Plastic

Answer

Rubber

Question 55

What is the main function of a capacitor in an electrical circuit?

Accepted Answer

To store electrical energy

Answer

To block the flow of direct current

Answer

To allow the flow of alternating current

Answer

To regulate the voltage in a circuit

Question 56

What is the main purpose of using a breadboard in electrical circuit design?

Accepted Answer

To provide a temporary and reusable platform for testing circuits

Answer

To make permanent connections between components

Answer

To store and organize electrical components

Answer

To measure electrical quantities

Question 57

Which component allows electricity to flow in just one direction?

Accepted Answer

Diode

Answer

Battery

Answer

Wire

Answer

Resistor

Question 58

In a circuit diagram, what symbol represents a switch?

Accepted Answer

☐

Answer

➜

Answer

╬

Answer

⌽

Question 59

What is a fuse's purpose in an electrical circuit?

Accepted Answer

Break the circuit to prevent excessive current flow

Answer

Prevent circuit overload

Answer

Store electrical energy

Answer

Regulate voltage

Question 60

Which type of circuit has a single path for current to travel?

Accepted Answer

Series circuit

Answer

Parallel circuit

Answer

Mixed circuit

Answer

Closed circuit

Question 61

What unit is used to measure electrical current?

Accepted Answer

Ampere

Answer

Volt

Answer

Ohm

Answer

Watt

Question 62

Which of these materials is a good conductor of electricity?

Accepted Answer

Copper

Answer

Wood

Answer

Plastic

Answer

Rubber

Question 63

What is a capacitor's function in an electrical circuit?

Accepted Answer

To store electrical charge

Answer

To resist current flow

Answer

To amplify signals

Answer

To convert AC to DC

Question 64

Which of the following materials can conduct electricity?

Accepted Answer

Copper

Answer

Rubber

Answer

Plastic

Answer

Glass