Year 09 Electronics Components
Authored by Shane Donnelly
Engineering
7th Grade
Used 5+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
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
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
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
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when a ‘Push to Make’ switch is pressed?
The switch emits light
The switch opens
The switch stores energy
The switch closes
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
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
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In which direction do electrons flow in a diode?
Both directions
Randomly
They do not flow
Only one way
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
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
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
How is the value of a resistor indicated?
By its size
By colored bands
By its shape
By its weight
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