NEW
Font size
WorksheetsYear 09 Electronics Components
Total questions: 10
Worksheet time: 7mins
What is the primary function of a battery?
To limit the flow of electrical current
To store electrical energy
To emit light
To act as a micro switch
What does the symbol for a battery represent in a circuit diagram?
A storage of electrical energy
A component that limits electrical current
A device that lights up when electricity flows through it
A micro switch
What happens when a ‘Push to Make’ switch is pressed?
The switch emits light
The switch opens
The switch stores energy
The switch closes
What is the function of a Light Emitting Diode (LED)?
To store electrical energy
To light up when electricity flows through it
To limit the flow of electrical current
To act as a micro switch
In which direction do electrons flow in a diode?
Both directions
Randomly
They do not flow
Only one way
What is the purpose of a resistor in an electrical circuit?
To emit light
To store electrical energy
To limit the flow of electrical current
To act as a micro switch
How is the value of a resistor indicated?
By its size
By colored bands
By its shape
By its weight
What principle does a bulb work on?
Incandescence
Resistance
Capacitance
Inductance
What are the parts of a thyristor?
Anode, Cathode, and Gate
Battery, Resistor, and LED
Switch, Diode, and Bulb
PCB, Resistor, and Capacitor
What is one of the benefits of using a Printed Circuit Board (PCB)?
It stores electrical energy
It emits light
It acts as a micro switch
It makes connections easier
