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WorksheetsBasic Electronics Knowledge Test
Total questions: 15
Worksheet time: 8mins
What is the output of an AND gate if both inputs are high?
high
off
low
medium
Which logic gate outputs true only when all inputs are true?
OR gate
AND gate
XOR gate
NOT gate
What color represents the number 2 in the resistor color code?
blue
green
yellow
red
In the resistor color code, what does the color red represent?
2
3
1
4
What is the function of a capacitor in a circuit?
To amplify electrical signals.
To convert AC to DC.
To measure voltage in a circuit.
The function of a capacitor in a circuit is to store and release electrical energy.
Name a common type of diode used in electronics.
Zener diode
Rectifier diode
LED
Photodiode
What is the primary function of a transistor?
To act as a switch or amplifier in electronic circuits.
To store electrical energy for later use.
To increase the voltage of a power source.
To convert AC to DC power.
Which logic gate is known as a universal gate?
NAND gate
AND gate
OR gate
XOR gate
What does a resistor do in an electrical circuit?
A resistor increases the flow of electric current in an electrical circuit.
A resistor converts electrical energy into mechanical energy in a circuit.
A resistor limits the flow of electric current in an electrical circuit.
A resistor stores electric energy for later use in a circuit.
How many bands are typically found on a standard resistor?
4 or 5
6 or 7
2 or 3
1 or 8
What is the purpose of a breadboard in electronics?
To connect power sources to devices.
To measure voltage and current in circuits.
To store electronic components permanently.
The purpose of a breadboard in electronics is to prototype and test circuits.
What component is used to store electrical energy temporarily?
Capacitor
Transformer
Inductor
Resistor
What is the function of an inductor in a circuit?
To convert AC to DC voltage.
To measure current flow in a circuit.
The function of an inductor in a circuit is to store energy in a magnetic field and resist changes in current.
To amplify electrical signals in a circuit.
What does the color band brown represent in the resistor code?
2
1
3
4
What is the typical voltage drop across a silicon diode?
2.0 volts
0.7 volts
1.5 volts
0.3 volts
