EC-504 (A) RGPV B.Tech
ELECTROMAGNETIC THEORY (ET)
Previous year papers and the official syllabus are free to read, no account needed.
Previous Year Papers
3 papers, latest Dec 2025
Syllabus, notes and important questions for EC-504 (A)
Syllabus units
Topics as the official RGPV syllabus lists them.
Unit 1 Steady Electric Field 12 topics
- Coulomb’s Law
- units
- Electric field intensity
- Electric flux and flux density
- Gauss law
- Boundary relations
- concept of divergence
- Curl
- scalar and vector potential
- electric field in dielectric and conductor
- continuity equation
- methods of images
Unit 2 Magnetic field due to steady currents 5 topics
- Magnetic field due to steady currents
- force between current carrying wires
- Stokes theorem
- vector magnetic potential
- magnetization vector and its relation to magnetic field
Unit 3 Maxwell’s Equation 2 topics
- Time varying field and displacement current
- Faraday’s law
Unit 4 Wave Equation 5 topics
- Pointing vector
- Plane electromagnetic waves in free space
- Plane electromagnetic waves in dielectric medium and conducting medium
- Skin depth
- slepian vector
Unit 5 Waves propagation in lossy dielectrics 4 topics
- Waves propagation in lossy dielectrics
- plane waves in lossless dielectrics
- reflection of a plane wave at normal incidence
- reflection of a plane wave at oblique incidence
Exam insights
Counted from 3 past EC-504 (A) papers.
Marks asked per paper, by unit
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Unit 1 Steady Electric Field 28 marks
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Unit 2 Magnetic field due to steady currents 21 marks
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Unit 3 Maxwell’s Equation 19 marks
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Unit 4 Wave Equation 26 marks
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Unit 5 Waves propagation in lossy dielectrics 14 marks
Average marks of the questions from each unit in one paper. You answer only some of them, so the total is more than the paper’s maximum.
Asked again and again
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Define the Poynting vector and state, derive and prove the Poynting theorem, explaining its physical significance for electromagnetic energy flow.
Asked 4 times: 2025, 2024, 2019
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Explain displacement current and derive Maxwell's correction to Ampere's circuital law for time-varying fields.
Asked 4 times: 2025, 2024, 2019
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Derive the force (per unit length) between two parallel infinitely long current-carrying wires, including its significance in defining the ampere.
Asked 3 times: 2025, 2020
Other 5th semester ECE subjects
- EC-501 MICROPROCESSOR AND ITS APPLICATIONS
- EC-502 DIGITAL COMMUNICATION
- EC-503 (A) Communication Network and Transmission Lines (CNTL)
- EC-503 (B) MOBILE COMMUNICATION
- EC-503 (C) ADVANCED CONTROL SYSTEM
- EC-503-A Communication Network And Transmission Lines
- EC-504 (B) Computer System Organization
- EC-504 (C) Process Control Instrumentation