Electromagnetic Waves (JEC-402) crash course, Online B.Tech, Semester 4:
Derivation-heavy: choose two of TIR/critical angle (easiest), Poynting average power, TM waves in a rectangular waveguide, and stub matching; also learn…
- 5 video lessons
- 1h 21m
- Study notes
- 25 quiz questions
- Assignment
5 lessons in Electromagnetic Waves
Each lesson pairs one topic with a hand-picked video, trimmed to the part that teaches it.
About this subject
Derivation-heavy: choose two of TIR/critical angle (easiest), Poynting average power, TM waves in a rectangular waveguide, and stub matching; also learn Maxwell's equations in point form, Snell's law, and the waveguide/plane-wave basics used in the MCQs.
- 1
Rectangular waveguides
Must study for the exam (×4 · A1, A2, B1, C1 2 + 2 + 5 + 15 marks · MCQ, short reason, long derivation).
Rectangular Waveguide (Basics, Modes, Cut-Off Frequency, Wave Impedance, Phase & Group Velocity)· Engineering Funda· 17 min
Study notes 5 quiz questionsWatch lesson - 2
Uniform plane waves and Poynting theorem
Must study for the exam (×4 · A5, A6, B3, C3 2 + 2 + 5 + 15 marks · MCQ, equations, derivation).
Poynting Theorem Explained: Basics, Derivation, Proof, and Power Calculation· Engineering Funda· 12 min
Study notes 5 quiz questionsWatch lesson - 3
Reflection and refraction at dielectric interface; TIR
Must study for the exam (×4 · A3, A4, B2, C2 2 + 2 + 5 + 15 marks · MCQ, derivation).
Reflection and Refraction at Dielectric Interface· RTU Wallah· 24 min
Study notes 5 quiz questionsWatch lesson - 4
Vector analysis, Gauss's law and Maxwell's equations
High value for the exam (×4 · A7, A8, B4, B6 2 + 2 + 5 + 5 marks · MCQ, short note).
Maxwell Equations Explained: Integral Form and Differential Form/Point Form· Engineering Funda· 10 min
Study notes 5 quiz questionsWatch lesson - 5
Transmission lines and impedance matching
High value for the exam (×4 · A9, A10, B5, C4 2 + 2 + 5 + 15 marks · MCQ, derivation, short note).
Impedance Matching using single Stub in Microwave Engineering by Engineering Funda· Engineering Funda· 18 min
Study notes 5 quiz questionsWatch lesson
Assignment
JEC-402 Exam-Style Problem Set: Fields, Waves, Lines and Guides
Less scrolling. More passing.
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Hand-picked video lessons
5 short lessons, each with the best YouTube explanation we could find, trimmed to the part that matters.
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Study notes
5 lessons come with a summary, key points, key terms and takeaways for quick revision.
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Quizzes
25 questions across the course, with the right answer and why, the moment you pick.
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Assignments
1 subject assignments with clear tasks, so you practise what each subject actually asks of you.
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Notebook
Write notes beside the video, stamped with the exact time, and jump back to that moment later.
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Progress that follows you
Completed lessons, quiz scores and where you stopped, saved to your account on every device.
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Live chat
A members-only live chat beside every lesson: doubts, tips, stickers and GIFs with your batch. One ₹19 pass opens every live chat.
The Online B.Tech live chat. Study together, live.
A live chat right beside the video, shared by everyone studying Online B.Tech. Ask a Electromagnetic Waves doubt mid-lesson, share a shortcut, celebrate a finished semester.
- Live chat beside every lesson
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- One ₹19 pass opens every live chat
Online B.Tech live chat
Anyone else finding Electromagnetic Waves tricky? 😅
Lesson 2 cleared it up for me. Watch it before the quiz

Doing it now, thanks!
Starting Environmental Science tonight if anyone wants to go together
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Electromagnetic Waves: common questions
Derivation-heavy: choose two of TIR/critical angle (easiest), Poynting average power, TM waves in a rectangular waveguide, and stub matching; also learn Maxwell's equations in point form, Snell's law, and the waveguide/plane-wave basics used in the MCQs. It's the Electromagnetic Waves subject of Online B.Tech, Semester 4, in 5 lessons: Rectangular waveguides; Uniform plane waves and Poynting theorem; Reflection and refraction at dielectric interface; TIR; Vector analysis, Gauss's law and Maxwell's equations; Transmission lines and impedance matching.
Yes. Every video lesson is free to watch without an account. A free login unlocks study notes, quizzes, the assignment, a notebook and progress that syncs across devices.
About 1h 21m of video across 5 lessons, plus time for notes and quizzes. Go at your own pace; your place is saved.
Yes: “JEC-402 Exam-Style Problem Set: Fields, Waves, Lines and Guides”. It comes after the last lesson, with a brief, clear tasks and how the work is judged.
A members-only live chat beside the video, shared by everyone studying Online B.Tech, where learners ask doubts, share tips and react with stickers and GIFs. One ₹19 pass, paid once from your InsideEdge wallet, opens the live chat for every degree.
No. It's a crash course to help you understand and revise the subject quickly. Use it alongside your official study material and assignments.