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 -Dipole, Dielectric polarization – Dielectric strength – Boundary conditions – Capacitance- Energy density, Applications.
Lorentz Law of force, magnetic field intensity – Biotsavart’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
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 theorem and Poynting vector – Standing wave ratio and power, Applications - EMI, EMC.
Reference Book:
1. V.V.Sarwate, 'Electromagnetic fields and waves', second edition, New Age Publishers, 2018 2. Joseph. A. Edminister, ‘Theory and Problems of Electromagnetics’, Second Edition, Schaum Series, Tata McGraw Hill, 2016. 3. William .H.Hayt, ‘Engineering Electromagnetics’, Tata McGraw Hill, 2015 4. Kraus and Fleish, ‘Electromagnetics with Applications’, McGraw Hill International Editions, Fifth Edition, 2016. 5. Ashutosh Pramanik, ‘Electromagnetism – Theory and Applications’, Prentice-Hall of India Private Limited, New Delhi, 2009. 6. G.S.N. Raju, “Electromagnetic Field Theory and Transmission Linesâ€, Pearson, 2018.
Text Book:
1 Mathew N. O. Sadiku, ‘Elements of Electromagnetics’, Oxford University press Inc. First Indian Edition, 2021. 2. K.A.Gangathar, P.M. Ramanathan, “ Electromagnetic Field Theoryâ€, Khanna Publishers, 2018