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Electronic Devices Practice Paper for Students

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JEE Test Series 2026

Important Questions and Answers on Electronic Devices

JEE Main aspirants must understand the significance of Electronic Devices Practice Paper as it delves into the intricate world of semiconductors, transistors, and electronic circuits, enabling students to comprehend and manipulate these fundamental components crucial for modern technology, all of which are crucial for excelling in JEE Main Physics.


Category:

JEE Main Practice Paper

Content-Type:

Text, Images, Videos and PDF

Exam:

JEE Main

Chapter Name:

Electronic Devices

Academic Session:

2026

Medium:

English Medium

Subject:

Physics

Available Material:

Chapter-wise Practice paper with PDF


Vedantu supports students preparing for JEE Main Physics by providing a valuable FREE PDF download of the Electronic Devices Practice Paper. This resource is prepared for chapter-wise practice, guaranteeing comprehensive coverage of essential topics. By obtaining it for FREE, you can augment your knowledge and boost your confidence in attempting questions efficiently. The inclusion of detailed solutions and answer keys aids in resolving doubts and understanding the step-wise approach to question-solving. Additionally, practicing Vedantu’s Electronic Devices Practice Paper for JEE Main enhances your question-solving speed.


In the upcoming JEE Main Exam, anticipate a minimum of 4 questions directly linked to the Electronic Devices chapter. To grasp the full scope of its significance, refer to the provided table detailing the weightage of the Electronic Devices chapter in the last five years of the JEE Main Exam.


Year

Weightage of JEE Main Questions From Electronic Devices 

2023

16%

2022

16%

2021

16%

2020

16%

2019

13%


Practice Papers for JEE Main help you to find and practice the questions that might get asked in the next JEE Main exam. Download the PDF of the Electronic Devices Practice Paper today to excel in your JEE Main exams!

Subject-wise Links For JEE Main Practice Paper

In the JEE Main exam, each of the three subjects— Physics, Chemistry, and Maths—holds a weightage of 33%. Hence along with practicing the Physics Practice Paper for JEE Main, students have to practice Chemistry, as well as Maths Practice Papers. This will lead you to score more than 80% in the JEE Main exam. Here are the links for the JEE Main Subject-wise Practice Paper.


Subject-wise Links For JEE Main Practice Paper

JEE Main Chemistry Practice Paper

JEE Main Maths Practice Paper


Links For JEE Main Chapter-wise Practice Paper

Physics Practice Papers need to be worked out after each chapter since the questions from most of the Physics chapters can help you to score well in the Physics section of the JEE Main exam. This will help you to cover most of the JEE Main Physics Syllabus. You can download the Chapter-wise links for the JEE Main Practice Paper.



Important Topics From Electronic Devices for JEE Main Practice Paper

It will be easy for you to work out the JEE Main Practice Paper if you have a strong understanding of the Electronic Devices. You have to focus more on the important topics to answer most of the questions from the JEE Main Practice Paper on Electronic Devices. Here are some of the important topics of Electronic Devices.


  • Semiconductor Devices

Understanding semiconductor physics and the operation of diodes and transistors is crucial for electronic devices. Diodes allow current flow in one direction, while transistors amplify and control electrical signals.


  • Digital Electronics

Digital circuits, like flip-flops and logic gates, form the foundation of modern electronics. They process binary information, enabling the creation of complex digital systems and microprocessors.


  • Analog Electronics

Analog circuits deal with continuous signals. Topics include amplifiers, operational amplifiers (op-amps), and filters, which are essential in signal processing and communication systems.


  • Integrated Circuits (ICs)

ICs are the building blocks of electronic devices. Learn about their fabrication, types, and applications, as they play a pivotal role in miniaturizing and enhancing device functionality.


  • Power Electronics

Power electronic devices control and convert electrical energy efficiently. Topics like inverters, converters, and voltage regulation are crucial for power management in various applications, from renewable energy systems to consumer electronics.


Equations To Score More in Practice Paper of JEE Main Electronic Devices

Equations are the base to solve the JEE Main Practice Paper. You have to know which equation or formula to use while solving the Practice Paper for JEE Main. Find the important equations you need to learn while working out the Practice Paper of JEE Main Electronic Devices.


1. Diode Forward Voltage Equation (Shockley Equation):

\[I = I_s \left( e^{\frac{V}{nV_T}} - 1 \right)\]


2. Diode Reverse Bias Current:

\[I = I_s \cdot e^{\frac{V}{nV_T}}\]


3. Transistor Current Gain (Common Emitter Configuration):

\[\beta = \frac{I_C}{I_B}\]


4. Transistor Amplification Formula:

\[A_v = \frac{v_o}{v_i} = -\frac{R_C}{r_e}\]


5. Operational Amplifier (Op-Amp) Gain Formula (Inverting Amplifier):

\[A_v = -\frac{R_f}{R_1}\]


For more formulas and equations you can refer to Vedantu’s JEE Main Formula page.


What Makes Vedantu’s Practice Paper PDF of JEE Main Electronic Devices Different?

Practice Paper for JEE Main assumes a significant role in student preparation, providing questions that mimic the JEE Main exam's structure. Vedantu’s JEE Main Practice Papers emerges as the ideal post-learning resource upon finishing each Physics chapter. Now, let’s uncover the defining features of Vedantu’s Electronic Devices Practice Paper for JEE Main.


  • Quality Content: Vedantu's Practice Paper for Electronic Devices is curated by experienced educators and subject matter experts, ensuring that the questions are relevant, accurate, and aligned with the latest JEE Main syllabus.

  • Variety of Questions: They provide a diverse range of questions, covering different difficulty levels and concepts from Electronic Devices, allowing students to thoroughly practice and master each topic.

  • Detailed Solutions: Vedantu offers detailed step-by-step solutions and answer keys for Electronic Devices JEE Main Practice Paper, ensuring that students understand not just the final answer but also the underlying concepts and problem-solving techniques.

  • User-Friendly Interface: Their platform is designed to be user-friendly, making it easy for students to navigate through Practice Paper and access the content they need efficiently.

  • Accessibility: Vedantu's Practice Papers are often easily accessible online and can be downloaded for FREE, allowing students to practice from the comfort of their homes.


How To Prepare For JEE Main With Electronic Devices Practice Paper?

Vedantu’s Electronic Devices JEE Main Practice Paper is composed of MCQs and Subjective type questions. At the end of the FREE PDF you can get the answer keys and detailed solutions for the questions. If you follow the below instructions while working out the Daily Practice Paper you can easily succeed in the JEE Main exam.


Download the Daily Practice Paper of JEE Main Electronic Devices.


  1. You can set a timer of 1 hour.

  2. Solve the easy questions first and give time for tough questions.

  3. Note your answers in a sheet of paper and check with the answer key.

  4. Each question carries 4 marks and gives a negative mark of -1 for each question.

  5. Now calculate the score and analyze yourself. 

  6. You can take the help of detailed solutions given in the PDF for the better clarity of questions and answers. 

  7. Learn how to do the incorrect answers and practice the questions again.

  8. Make a note of the time you take for each question to practice. 


When to Start Preparing With JEE Main Practice Paper on Electronic Devices?


To excel in your JEE Main exams, initiating your JEE Main Practice Paper of Electronic Devices preparation early in your academic journey is essential. This approach enables thorough subject mastery and ample revision time, both key to exam success. Utilize this timeline for optimizing your JEE Main preparation with Daily Practice Paper.


  • Foundation Building (1-2 Years Prior): Start with foundational studies and build a strong understanding of the core concepts in Electronic Devices.

  • Concept Mastery (6-12 Months Prior): About a year before the exam, begin incorporating the Practice Paper of JEE Main Electronic Devices into your routine. 

  • Intensive Revision (3-6 Months Prior): As the exam date approaches, intensify your Practice Paper usage. Take a full-length Practice Paper to simulate exam conditions, improve time management, and identify weak areas.


Additional Materials To Cover With  JEE Main Electronic Devices Practice Paper

After learning the Electronic Devices chapter, you need to make sure that you are mastering the contents you learn so that you can perform well in JEE Main. Practice Papers for JEE Main prepared by Vedantu is the best resource for this. Right after your revision of the Electronic Devices, you can practice the JEE Main Practice Paper. But this is not enough if you want to score more than 85% in JEE Main exam. Here are some additional materials that you can choose while preparing for JEE Main.



Try Our Online Practice Paper Test For Physics

Once you are done with practicing the JEE Main Practice Paper for Electronic Devices, you can test your online skills for JEE Main Physics. Vedantu is also providing you with an online practice paper test where you can get a real experience of attempting the JEE Main Exam.



Mastering Electronic Devices With JEE Main Practice Paper

The JEE Main Electronic Devices Practice Paper is a great way to practice for the exam. It covers a lot of important topics, and the solutions and answer keys help you check your work. By practicing with this JEE Main Practice Paper, you can learn the material better and get better at solving problems. You can also learn how to manage your time better and figure out where you need to focus your studies. So, if you're preparing for the JEE Main, be sure to download and practice Vedantu’s Electronic Devices Daily Practice Paper for FREE!


JEE Mains Sample Paper: Electronic Devices

JEE Mains is a highly competitive exam, and students need to be well-prepared to secure a good score. By practicing with JEE Main 2023 Sample Papers, students can get a feel of the actual exam and identify their strengths and weaknesses. The Electronic Devices chapter is a crucial section of the JEE Mains syllabus, and it is essential for students to have a thorough understanding of the concepts covered in this chapter. Our sample papers include questions from all the important topics in this chapter, helping students to assess their preparation level and identify areas where they need more practice.


With the help of JEE Main Model Papers and JEE Model Question Papers, students can also get an idea of the types of questions that are frequently asked in the exam. This can help them to develop effective strategies for answering different types of questions, which can be beneficial in improving their overall score. By practicing with these sample papers, students can boost their confidence and improve their chances of success in the JEE Mains examination.

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FAQs on Electronic Devices Practice Paper for Students

1. What is an electronic device?

An electronic device is a component or system that uses the flow of electrons to perform specific functions in a circuit.

Main points:

  • Electronic devices include diodes, transistors, integrated circuits (ICs), and other semiconductor components.
  • They are used in various applications such as amplification, switching, signal processing, and communication.
  • Electronic devices form the foundation of modern electronics and electrical engineering.

2. What are the main differences between semiconductor devices and vacuum tubes?

Semiconductor devices and vacuum tubes differ in material, size, efficiency, and application.

Differences:

  • Semiconductor devices are made of materials like silicon or germanium, while vacuum tubes use vacuum-sealed glass tubes.
  • Semiconductors are smaller, consume less power, and are more reliable.
  • Vacuum tubes are larger, require more power, and are mostly obsolete except for specialized uses.

3. Explain the working principle of a diode.

A diode allows current to flow in one direction only, functioning as a one-way switch for electric current.

Main working principle:

  • It consists of a p-n junction formed by joining p-type and n-type semiconductors.
  • When forward biased, the diode conducts electricity with low resistance.
  • When reverse biased, it blocks current flow.

4. What are the applications of transistors in electronic devices?

Transistors are widely used as amplifiers, switches, signal modulators, and oscillators in electronic devices.

Key applications:

  • Amplification: Increasing signal strength in audio and radio equipment.
  • Switching: Turning devices on or off in computers and digital systems.
  • Oscillation: Generating signals in clocks and radios.
  • Used in logic gates, microprocessors, and memory devices.

5. What is the difference between analog and digital electronic devices?

Analog electronic devices process continuous signals, while digital electronic devices handle discrete binary data.

Main differences:

  • Analog devices work with a range of voltages (continuous signals).
  • Digital devices use two voltage levels: high (1) and low (0).
  • Examples: Microphones (analog), calculators (digital).

6. What is doping in semiconductors and why is it important?

Doping is the process of adding impurities to pure semiconductors to improve their conductivity.

Importance of doping:

  • Addition of donor or acceptor atoms creates n-type or p-type semiconductors respectively.
  • Controlled conductivity allows manufacturing of electronic devices like diodes and transistors.
  • Essential for regulating electrical properties and device performance.

7. What are the types of electronic devices?

Electronic devices are mainly categorized based on their functions and construction.

Main types include:

  • Active devices: Require external power (e.g., transistors, ICs).
  • Passive devices: Do not require external power (e.g., resistors, capacitors, inductors).
  • Semiconductor devices: Diodes, transistors.
  • Electromechanical devices: Relays, switches.

8. What is the significance of the p-n junction in semiconductors?

The p-n junction forms the basic building block of most semiconductor devices and controls current flow.

Significance:

  • Used in diodes, transistors, LEDs, and solar cells.
  • Allows current to flow easily in one direction (forward bias) and restricts in the other (reverse bias).
  • Enables rectification, amplification, and switching functions.

9. How do integrated circuits (ICs) improve electronic circuits?

Integrated circuits (ICs) combine many electronic components into a single chip, improving performance and reliability.

Improvement factors:

  • Reduced size and weight of circuits.
  • Lower power consumption and cost.
  • Increased reliability and efficiency.
  • Enabled complex functions in computers, smartphones, and other electronics.

10. What are the characteristics of a Zener diode and its applications?

A Zener diode is a special type of diode designed to operate in the reverse breakdown region for voltage regulation.

Characteristics and Applications:

  • Maintains constant output voltage even if input voltage fluctuates.
  • Widely used for voltage regulation, overvoltage protection, and reference voltage creation.
  • Common in regulated power supplies and circuits needing stable voltage.