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WorksheetsExploring Electric Components and Circuits
Total questions: 15
Worksheet time: 8mins
What is the function of a resistor in a circuit?
To increase the current
To decrease the current
To store electrical energy
To convert electrical energy into light
Which component emits light when an electric current passes through it?
Resistor
LED
Toggle switch
Insulator
What is the unit of electric current?
Volts
Ohms
Amperes
Watts
Which type of switch is used to temporarily connect a circuit when pressed?
Toggle switch
Push to make switch
Rotary switch
Slide switch
What is the role of a conductor in an electrical circuit?
To block the flow of electricity
To allow the flow of electricity
To store electrical energy
To convert electricity into heat
Which material is commonly used as an insulator?
Copper
Aluminium
Plastic
Iron
What is the purpose of soldering in electronics?
To create a temporary connection
To permanently join components
To insulate components
To increase resistance
What is the unit of voltage?
Amperes
Ohms
Volts
Watts
Which of the following is a basic component of an electrical circuit?
Battery
Insulator
Sublimation printer
Soldering iron
What is sublimation printing primarily used for?
Printing on paper
Printing on fabric
Printing on metal
Printing on wood
Which of the following is a characteristic of a toggle switch?
It is always on
It can be turned on or off
It is used for dimming lights
It is used for adjusting volume
What happens to the current in a circuit if the resistance increases?
The current increases
The current decreases
The current remains the same
The current becomes zero
Which of the following is a good conductor of electricity?
Wood
Rubber
Copper
Glass
What is the main advantage of using LEDs over traditional bulbs?
They are more expensive
They consume more power
They last longer and use less energy
They produce more heat
What is the primary purpose of using resistors in a circuit?
To increase voltage
To control the flow of current
To store energy
To emit light
