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WorksheetsElectronics Adventure: Circuit Challenge
Total questions: 10
Worksheet time: 5mins
Which of the following is the correct symbol for a resistor in a circuit diagram?
True or False: An LED (Light Emitting Diode) will only light up if it is connected the correct way round in a circuit.
True
False
What is the unit of electrical current?
Volts
Amperes (Amps)
Ohms
Watts
Which component is used to control the flow of current in a circuit, acting like a switch that can be turned on or off electronically?
Resistor
Capacitor
Transistor
LED
If you connect a 9V battery to a circuit with a 3Ω resistor, what is the current flowing through the resistor? (Use Ohm’s Law: I=RV )
3A
6A
0.33A
27A
True or False: In a series circuit, if one component fails, the whole circuit stops working.
True
False
Which of the following is NOT a conductor of electricity?
Copper
Aluminium
Plastic
Gold
What does the following circuit symbol represent? 
Switch
Battery
Resistor
LED
Which statement about parallel circuits is correct?
The current is the same through all components.
If one component fails, the others keep working.
The voltage is different across each branch.
Only one path for current to flow.
What is the main function of a resistor in a circuit?
To store electrical energy
To increase the current
To limit the flow of current
To convert electricity into light
