Electromagnetic Field Theory

Co-ordinate Systems and Transformation : Cartesian co-ordinates, Circular cylindrical co-ordinates, Spherical co-ordinates. Vector Calculus : Differential length, Area and volume, Line surface and volume integrals, Del operator, Gradient of a scalar, Divergence of a vector and divergence theorem, Curl of a vector and Stoke`s theorem, Laplacian of a scalar. Electrostatics : Electrostatic fields, Coulombs law and field intensity, Electric field due to charge distribution, Electric flux density, Gauss`s law - Maxwell`s equation, Electric dipole and flux lines, Energy density in electrostatic fields. Electric Field in Material Space : Properties of materials, Convection and conduction currents, Conductors, Polarization in dielectrics, Dielectric constants, Continuity equation and relaxation time, Boundary condition. Electrostatic Boundary Value Problems : Poisson`s and Laplace`s equations, General procedures for solving Poisson`s or Laplace`s equations, Resistance and capacitance, Method of images. Magnetostatics : Magnetostatic fields, Biot-Savart`s law, Ampere`s circuit law, Maxwell`s equation, Application of ampere`s law, Magnetic flux density - Maxwell`s equation, Maxwell`s equation for static fields, magnetic scalar and vector potential. Magnetic Forces, Materials and Devices : Forces due to magnetic field, Magnetic torque and moment, A magnetic dipole, Magnetization in materials, Magnetic boundary conditions, Inductors and inductances, Magnetic energy. Waves and Applications : Maxwell`s equation, Faraday`s law, Transformer and motional electromotive forces, Displacement current, Maxwell`s equation in final form. Electromagnetic Wave Propagation : Wave propagation in lossy dielectrics, Plane waves in lossless dielectrics, Plane wave in free space, Plane waves in good conductors, Power and the Poynting vector, Reflection of a plane wave in a normal incidence. Transmission Lines : Transmission line parameters, Transmission line equations, Input impedance, Standing wave ratio and power, The Smith chart, Some applications of transmission lines.