Fundamentals of Electronics MCQs
Fundamentals of Electronics MCQs
Answer these Fundamentals of Electronics MCQs and assess your grip on the subject of Fundamentals of Electronics.
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1: What is an acceptor atom?
A. Pentavalent atoms that accept free electrons from trivalent atoms
B. Trivalent atoms that accept free electrons from pentavalent atoms
C. Trivalent atoms that produce free electrons for pentavalent atoms
D. Quadrivalent atoms that accept free electrons from pentavalent atoms
2: What does AC coupling refer to?
A. Trivalent atoms that accept free electrons from pentavalent atoms
B. A component that changes the amplitude of a signal between input and output
C. Circuit that passes an AC signal while blocking a DC voltage
D. A graph representing all possible combinations of AC output voltage and current for an amplifier
3: What is an active component?
A. A component that blocks or passes a certain frequency
B. A component used to store energy
C. A component that causes an increase in output voltage
D. A component that changes the amplitude of a signal between input and output.
4: What is an AC load line?
A. A graph representing all possible combinations of DC output voltage and current for an amplifier
B. A filter that uses an amplifier in addition to reactive components to pass or reject selected frequencies
C. A graph representing all possible combinations of AC output voltage and current for an amplifier
D. A component that changes the amplitude of a signal between input and output
5: What components are used in an active filter?
A. Transistors and coils
B. Resistors and capacitors
C. Vacuum tubes and inductors
D. Amplifier and reactive components
6: What is an electronic component that opposes the flow of electric current and is used to control the flow of current in a circuit?
A. Capacitor
B. Inductor
C. Resistor
D. Diode
7: What is the basic building block of all electronic circuits?
A. Capacitor
B. Transistor
C. Resistor
D. Semiconductor diode
8: What type of semiconductor material is commonly used in electronic devices?
A. Metal
B. Glass
C. Silicon
D. Wood
9: What is the purpose of a diode in an electronic circuit?
A. To amplify electric signals
B. To store electric charge
C. To regulate voltage
D. To measure electric current
10: What is the function of a capacitor in an electronic circuit?
A. To convert AC to DC
B. To control the flow of current
C. To store and release electric charge
D. To amplify signals
11: Which electronic component is used to amplify and switch electronic signals?
A. Resistor
B. Transistor
C. Capacitor
D. Inductor
12: What is the role of an inductor in an electronic circuit?
A. To store electric charge
B. To block the flow of current
C. To amplify electronic signals
D. To store and release magnetic energy
13: In digital electronics, what does a logic gate do?
A. Regulates voltage levels in a circuit
B. Performs arithmetic calculations
C. Processes and manipulates binary data
D. Converts analog signals to digital signals
14: What is the function of an operational amplifier (op-amp) in electronic circuits?
A. To generate electrical power
B. To perform logical operations
C. To amplify and process analog signals
D. To store digital data
15: Which electronic component is used to store data in digital memory circuits?
A. Transistor
B. Capacitor
C. Integrated circuit (IC)
D. Flip-flop
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Fundamentals of Electronics MCQs
