Sources and effects of electromagnetic fields (Biological Effects of Electromagnetic interference) – Vector fields – Different co-ordinate systems- vector calculus – Gradient, Divergence and Curl - Divergence theorem – Stoke’s theorem
Coulomb’s Law – Electric field intensity – Field due to point and continuous charges – Gauss’s law and application – Electric potential– Electric field in free space, conductors, dielectric -Dielectric polarization – Dielectric strength – Boundary conditions – Capacitance- Energy density, Applications
Lorentz Law of force, magnetic field intensity – Biot savart’s Law - Ampere’s Law – Magnetic field due to straight conductors, circular loop, infinite sheet of current – Magnetic flux density – B in free space, conductor, magnetic materials – Magnetization – Boundary conditions – Scalar and vector potential – Magnetic force – Torque – Inductance – Energy density, Applications (Making of Robots)
Faraday’s laws, induced emf – Transformer and motional EMF – Maxwell’s equations (differential and integral forms) – Displacement current – Relation between field theory and circuit theory, Applications
Generation – Electro Magnetic Wave equations – Wave parameters; velocity, intrinsic impedance, propagation constant – Waves in free space, lossy and lossless dielectrics, conductors-skin depth, Poynting vector – Standing wave ratio and power, Applications
Reference Book:
1. Joseph. A. Edminister, ‘Theory and Problems of Electromagnetics’, Schaum Series, Tata McGraw Hill, 2nd Edition, 2016. 2. William .H.Hayt, ‘Engineering Electromagnetics’, Tata McGraw Hill, 2015. 3. Kraus and Fleish, ‘Electromagnetics with Applications’, McGraw Hill International Editions, 5th Edition, 2016. 4. Ashutosh Pramanik, ‘Electromagnetism – Theory and Applications’, Prentice-Hall of India Private Limited, New Delhi, 2009. 5. Raju, G.S.N., “Electromagnetic Field Theory and Transmission Lines”, Pearson, 2018.
Text Book:
1. Mathew N. O. Sadiku, ‘Elements of Electromagnetics, Oxford University press, 1st Indian Edition, 2015. 2. Gangathar, K.A., Ramanathan, P.M. “Electromagnetic Field Theory”, Khanna Publishers, 2018.