Electronics MCQs with Answers

adminJune 10, 2024

0 2 1 minute read

Welcome to the Electronics MCQs with Answers. In this post, we have shared Electronics Online Test for different competitive exams. Find practice Electronics Practice Questions with answers in Physics Tests exams here. Each question offers a chance to enhance your knowledge regarding Electronics.

Electronics Online Quiz

By presenting 3 options to choose from, Electronics Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Electronics Questions and Answers and click over the correct answer.

Test Name: Electronics MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply click on question and comment below that question. so that we can update the answer in the quiz section.

Electronics

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1 / 40

What is the basic function of an inductor in a circuit?

Control voltage

Amplify current

Store energy

2 / 40

What is the basic building block of electronic circuits?

Resistor

Transistor

Capacitor

3 / 40

What is the process of converting DC voltage to AC voltage called?

Amplification

Inversion

Oscillation

4 / 40

What is the process of converting AC voltage to DC voltage called?

Amplification

Rectification

Oscillation

5 / 40

What is the term for a circuit that provides an output signal only when certain conditions are met?

Logic gate

Comparator

Op-amp

6 / 40

What is the term for the process of converting analog signals to digital signals?

Analog-to-digital conversion

Digital-to-analog conversion

Signal modulation

7 / 40

What is the term for a circuit that combines two or more input signals into a single output?

Op-amp

Comparator

Summing amplifier

8 / 40

What is the name of the device used to convert mechanical energy into electrical energy?

Transducer

Capacitor

Generator

9 / 40

What is the basic function of a diode in a circuit?

Store energy

Rectify voltage

Control current

10 / 40

What is the term for a circuit that combines two or more signals into a single output?

Mixer

Splitter

Amplifier

11 / 40

Which component is used to store electrical charge in a circuit?

Resistor

Capacitor

Inductor

12 / 40

What is the name of the region where no charge carriers exist in a semiconductor?

Depletion zone

Saturation zone

Conduction zone

13 / 40

What is the basic function of a transistor in a circuit?

Store energy

Control current

Amplify signal

14 / 40

What is the term for a circuit that provides an output signal opposite in phase to its input signal?

Inverter

Amplifier

Comparator

15 / 40

What is the basic function of a capacitor in a circuit?

Amplify signal

Store charge

Control current

16 / 40

What type of diode allows current to flow in reverse direction when the voltage exceeds a certain value?

Zener diode

Light-emitting diode (LED)

Schottky diode

17 / 40

What is the process of combining multiple signals into one called?

Modulation

Multiplexing

Demultiplexing

18 / 40

What is the name of the device used to provide a stable reference voltage in electronic circuits?

Voltage reference

Voltage transformer

Voltage regulator

19 / 40

What is the name of the device used to change the amplitude of a signal?

Rectifier

Amplifier

Oscillator

20 / 40

What is the term for the basic storage element in digital circuits?

Diode

Transistor

Flip-flop

21 / 40

What is the term for a circuit that provides an output signal only when certain conditions are met?

Logic gate

Comparator

Op-am

22 / 40

What is the name of the device used to amplify or attenuate electronic signals?

Attenuator

Comparator

Amplifier

23 / 40

What is the basic function of a resistor in a circuit?

Amplify voltage

Control current

Store energy

24 / 40

What is the name of the device used to store and retrieve data in digital circuits?

Memory

Comparator

Op-amp

25 / 40

What type of diode allows current to flow in one direction only?

Rectifier

Zener diode

Schottky diode

26 / 40

What is the term for a circuit that provides an output signal only when the input signal exceeds a certain threshold?

Comparator

Op-amp

Flip-flop

27 / 40

What is the name of the device used to increase or decrease voltage in AC circuits?

Rectifier

Transformer

Inductor

28 / 40

Which type of transistor has three layers of semiconductor material?

Field-effect transistor (FET)

Bipolar junction transistor (BJT)

Darlington transistor

29 / 40

What type of semiconductor material has excess electrons?

P-type

Insulator

N-type

30 / 40

What is the name of the device used to protect circuits from excessive voltage?

Voltage suppressor

Voltage regulator

Voltage transformer

31 / 40

What is the term for a circuit that provides an output signal proportional to its input signal?

Amplifier

Oscillator

Rectifier

32 / 40

Which component is used to control the flow of current in a circuit?

Capacitor

Transistor

Inductor

33 / 40

What type of diode emits light when forward biased?

Light-emitting diode (LED)

Zener diode

Schottky diode

34 / 40

What is the term for a circuit that changes AC voltage to a different level?

Voltage regulator

Voltage transformer

Voltage amplifier

35 / 40

What is the name of the device used to store binary data in digital circuits?

Comparator

Op-amp

Flip-flop

36 / 40

What is the term for a circuit that changes the frequency of a signal?

Filter

Amplifier

Oscillator

37 / 40

What is the term for the process of amplifying electrical signals?

Oscillation

Rectification

Amplification

38 / 40

What is the name of the device used to regulate voltage in electronic circuits?

Amplifier

Voltage regulator

Oscillator

39 / 40

What is the term for a circuit that provides an output signal proportional to the difference between two input signals?

Comparator

Op-amp

Differential amplifier

40 / 40

What is the name of the device used to switch electronic circuits on or off?

Relay

Transistor switch

Capacitor

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adminJune 10, 2024

0 2 1 minute read