Solved question paper for EW Dec-2025 (B-TECH 3rd)

Solved Question Paper

Electromagnetic Waves Dec-2025

PTU • B-TECH • Electronics and Communication Engineering • 3rd • Dec-2025

Electromagnetic Waves previous year question papers on BRpaper are organized for students of Punjab Technical University’s Bachelor of Technology program in the Electronics and Communication Engineering stream, 3rd semester. This section makes it easier to browse subject-wise old question papers for Electromagnetic Waves, so students can review how questions are typically framed in past exams and get a sense of the exam pattern. Many students search for electromagnetic waves previous question papers while preparing for exams, and this page is built to support exactly that kind of subject-wise browsing and revision. BRpaper is not the official website of Punjab Technical University or any institution, and it does not publish official notices or academic updates.

Solved Questions

Solved
  1. Define the concept of distributed elements in transmission lines.
    Very Short Answer 2 Marks Dec-2025 • PTU B-TECH
  2. Write the voltage equation for a transmission line.
    Very Short Answer 2 Marks Dec-2025 • PTU B-TECH
  3. What is the difference between lossless and low-loss transmission lines?
    Very Short Answer 2 Marks Dec-2025 • PTU B-TECH
  4. Describe the purpose of a Smith chart in transmission line calculations.
    Very Short Answer 2 Marks Dec-2025 • PTU B-TECH
  5. State Gauss's law and its significance in electromagnetics.
    Very Short Answer 2 Marks Dec-2025 • PTU B-TECH
  6. Explain the role of surface charge in Maxwell's equations.
    Very Short Answer 2 Marks Dec-2025 • PTU B-TECH
  7. What is the Poynting vector and what does it represent?

    Very Short Answer 2 Marks Dec-2025 • PTU B-TECH


  8. Define wave polarization.
    Very Short Answer 2 Marks Dec-2025 • PTU B-TECH
  9. Define Electromagnetic Waves.
    Very Short Answer 2 Marks Dec-2025 • PTU B-TECH
  10. Describe Poincare's sphere.
    Very Short Answer 2 Marks Dec-2025 • PTU B-TECH
  11. Explain impedance matching using transmission lines and its applications.
    Long Answer 5 Marks Dec-2025 • PTU B-TECH
  12. Derive Maxwell's equation for Ampere's Cirucial law and discuss its implications.
    Long Answer 5 Marks Dec-2025 • PTU B-TECH
  13. Describe the concept of phase velocity and power flow in a uniform plane wave.
    Long Answer 5 Marks Dec-2025 • PTU B-TECH
  14. Explain the phenomenon of total internal reflection and provide an example of its application.
    Long Answer 5 Marks Dec-2025 • PTU B-TECH
  15. Discuss the function and importance of rectangular waveguides in electromagnetic wave propagation.
    Long Answer 5 Marks Dec-2025 • PTU B-TECH
  16. Analyze the equations of voltage and current on a transmission line with the help of distributed parameters and discuss the role of standing waves in impedance transformation.
    Long Answer 10 Marks Dec-2025 • PTU B-TECH
  17. Using Maxwell's equations, derive the boundary conditions at a media interface and explain their significance in electromagnetic theory.
    Long Answer 10 Marks Dec-2025 • PTU B-TECH
  18. Explain the process of wave propagation in a conducting medium, discussing factors that affect phase velocity, power flow, and how the Poynting vector can be used to analyze energy distribution?
    Long Answer 10 Marks Dec-2025 • PTU B-TECH

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01 Where can I find Electromagnetic Waves previous year question papers for Bachelor of Technology Electronics and Communication Engineering, 3rd semester?

This page lists Electromagnetic Waves question papers uploaded for Punjab Technical University Bachelor of Technology Electronics and Communication Engineering, 3rd semester, organized for subject-wise browsing where available.

02 Are these official Punjab Technical University question papers?

BRpaper is not the official website of Punjab Technical University. These papers are shared for reference and revision purposes only and are not official university material.

03 How can previous year Electromagnetic Waves papers help in exam preparation?

Reviewing past papers can help you understand how questions are typically framed, notice commonly repeated topics, and get a sense of the exam pattern before your own exam.

04 What kind of topics does Electromagnetic Waves usually cover?

The question papers here relate to the official Electromagnetic Waves syllabus set by the university for this course and semester.

05 Does this page include a Electromagnetic Waves previous question papers or solved answers?

This page focuses on providing access to the previous year question papers themselves. A separate question bank or solved answers may not be available for every paper.

06 Can I find papers for other subjects in the same Bachelor of Technology Electronics and Communication Engineering?

Yes, BRpaper organizes papers by university, course, stream, and semester, so you can browse other subjects within the same Punjab Technical University Bachelor of Technology Electronics and Communication Engineering.