L 4 C 4
Teachers Continuous Evaluation: 40 marks. Term-End Semester Examination: 60 marks.
Course outcomes
- Explain electric fields, potentials, and electrostatic phenomena using fundamental laws and principles
- Analyze magnetic fields, magnetic materials, and magnetostatic systems using appropriate physical models.
- Apply electromagnetic induction principles and explain the physical significance of Maxwell's equations.
- Describe fundamental electromagnetic phenomena and relate electromagnetic concepts to engineering applications.
Unit I
Electric charge and Coulomb's law, Electric field and electric flux, Superposition principle, Electric field due to continuous charge distributions, Gauss's law and its applications, Electrostatic potential and potential energy, Relation between electric field and potential, Conductors in electrostatic equilibrium, Capacitance and capacitors, Energy stored in electric fields. Electrostatics in dielectric media: Polarization, Bound charges, Electric displacement vector, Dielectric constant and susceptibility, Boundary conditions at dielectric interfaces, Energy in dielectric systems.
Unit II
Magnetic fields and magnetic forces, Lorentz force, Motion of charged particles in magnetic fields, Biot–Savart law, Ampere's law and applications, Magnetic vector potential (introductory concept), Magnetic dipole and magnetic moment. Magnetization, Bound currents, Auxiliary magnetic field (H), Magnetic susceptibility and permeability, Magnetic materials: diamagnetic, paramagnetic, and ferromagnetic materials, Magnetic circuits and engineering applications.
Unit III
Faraday's law of electromagnetic induction, Lenz's law, Motional electromotive force, Self and mutual inductance, Energy stored in magnetic fields, Electromagnetic braking and practical applications. Displacement current and its physical significance, Continuity equation, Introduction to Maxwell's equations, Integral forms of Maxwell's equations, Physical interpretation and applications.
Unit IV
Electric and magnetic fields in engineering systems, Energy transfer in electromagnetic systems, Electromagnetic forces, Introduction to electromagnetic waves, Qualitative discussion of wave propagation, Polarization concepts, Electromagnetic spectrum, Applications in communication and electronic systems. Introduction to boundary concepts and field continuity (qualitative treatment).
Textbooks
- D. J. Griffiths, Introduction to Electrodynamics, 4th ed. Cambridge, U.K.: Cambridge University Press, 2017.
References
- E. M. Purcell and D. J. Morin, Electricity and Magnetism, 3rd ed. Cambridge, U.K.: Cambridge University Press, 2013.
- D. K. Cheng, Field and Wave Electromagnetics, 2nd ed. New Delhi, India: Pearson Education, 2014.
- W. H. Hayt and J. A. Buck, Engineering Electromagnetics, 9th ed. New York, NY, USA: McGraw-Hill Education, 2019.
- M. N. O. Sadiku, Elements of Electromagnetics, 7th ed. Oxford, U.K.: Oxford University Press, 2018.
- J. D. Kraus and D. A. Fleisch, Electromagnetics with Applications, 5th ed. New York, NY, USA: McGraw-Hill, 1999.