EX-504 (B) RGPV B.Tech
Electromagnetic Theory (ET)
Previous year papers and the official syllabus are free to read, no account needed.
Previous Year Papers
4 papers, latest Jun 2025
- EX-504 (B) paper, Jun 2025
- EX-504 (B) paper, Dec 2024
- EX-504 (B) paper, May 2024
- EX-504 (B) paper, Nov 2023
Syllabus, notes and important questions for EX-504 (B)
Syllabus units
Topics as the official RGPV syllabus lists them.
Unit 1 Coordinate Systems, Vector Calculus and Electrostatic Fields 10 topics
- Cartesian, cylindrical & spherical co-ordinate systems
- Scalar & vector fields
- Gradient, divergence & curl of a vector field
- Divergence theorem & Stokes’s theorem
- Concept of vectors
- Electrostatic Fields – Coulomb’s law
- Electric field intensity due to different charge distributions (line charge, sheet charge)
- Field due to continuous volume – electric potential
- Properties of potential function, potential gradient, equipotential surfaces, line of force
- Gauss law, applications of Gauss law, Gauss law in point form, method of images
Unit 2 Potential Theory, Capacitors and Continuity 11 topics
- Laplace’s & Poisson’s equations
- Solution of Laplace’s equation
- Electric dipole and dipole moment
- Potential & electric field intensity due to dipole
- Behavior of conductors in an electric field
- Conductor & insulator, electric field inside a dielectric, polarization
- Boundary value conditions for electric field
- Capacitance & capacitances of various types of capacitors
- Energy stored and energy density in static electric field
- Current density, conduction & convection current density
- Ohm’s law in point form, equation of continuity
Unit 3 Static Magnetic Fields and Forces 12 topics
- Static Magnetic Field, Biot‑Savart’s law
- Magnetic field intensity due to straight current‑carrying filament, circular, square and solenoidal conductors
- Relationship between magnetic flux, flux density & magnetic field intensity
- Ampere’s circuital law and its applications
- Magnetic field intensity due to infinite sheet and other configurations
- Ampere’s circuital law in point form
- Magnetic force; moving charge in a magnetic field
- Lorentz force on straight and long current‑carrying conductors
- Force between two long parallel current‑carrying conductors
- Magnetic dipole & dipole moment, differential current loop as dipole
- Torque on a current‑carrying loop in magnetic field
- Magnetic boundary conditions
Unit 4 Magnetic Potentials, Inductance and Maxwell’s Equations 13 topics
- Scalar magnetic potential and its limitations
- Vector magnetic potential and its properties
- Vector magnetic potential due to different simple configurations
- Self and mutual inductances; determination of self & mutual inductances
- Self inductance of solenoid and toroid coils
- Mutual inductance between a straight long wire & a square loop
- Energy stored in magnetic field & energy density
- Faraday’s law, transformer & motional EMFs
- Displacement current
- Maxwell’s equations as generalization of circuit equations
- Maxwell’s equations in free space
- Maxwell’s equations for harmonically varying fields, static and steady fields
- Maxwell’s equations in differential & integral form
Unit 5 Electromagnetic Waves and Propagation 10 topics
- Uniform plane wave in time domain in free space
- Sinusoidally time‑varying uniform plane wave in free space
- Wave equation and solution for material medium
- Uniform plane wave in dielectrics and conductors
- Poynting vector theorem; instantaneous, average and complex Poynting vector
- Power loss in a plane conductor; energy storage
- Polarization of waves
- Reflection by conductors and dielectrics – normal & oblique incidence
- Reflection at surface of a conducting medium; surface impedance
- Transmission line analogy