a. Coulomb’s Law and electric field intensity: Experimental law of Coulomb, Electric field intensity, Field due to continuous volume charge distribution, Field of a line charge.3 Hrs b. Electric flux density, Gauss’ law and divergence: Electric flux density, Gauss’ law, Divergence, Maxwell’s First equation(Electrostatics), vector operator and divergence theorem.3 Hrs
a. Energy and potential : Energy expended in moving a point charge in an electric field, The line integral, Definition of potential difference and Potential, The potential field of a point charge and system of charges, Potential gradient , Energy density in an electrostatic field.4 Hrs b. Conductors, dielectrics and capacitance: Current and current density, Continuity of current, metallic conductors, Conductor properties and boundary conditions, boundary conditions for perfect Dielectrics, capacitance and examples.4 Hrs
Derivations of Poisson’s and Laplace’s Equations, Uniqueness theorem, Examples of the solutions of Laplace’s and Poisson’s equations.
Biot-Savart law, Ampere’s circuital law, Curl, Stokes’ theorem, magnetic flux and flux density, scalar and Vector magnetic potentials.
a. Magnetic forces: Force on a moving charge and differential current element, Force between differential current elements, Force and torque on a closed circuit. 4 Hrs b. Magnetic materials and inductance: Magnetization and permeability, Magnetic boundary conditions, Magnetic circuit, Potential energy and forces on magnetic materials, Inductance and Mutual Inductance. 4 Hrs
Faraday’s law,displacement current, Maxwell’s equation in point and Integral form, retarded potentials.
Wave propagation in free space and dielectrics, Poynting’s theorem and wave power, propagation in good conductors – (skin effect).
Reflection of uniform plane waves at normal incidence, SWR, Plane wave propagation in general directions.