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Static electric fields in vacuum : Coulombs
law, electrostatic potential gradient, fields due to point, line surface &
volume charges, electric dipoles & its field. Dielectric media : Polarisation, surface
& volume charge densities due to polarisation, Displacement vector, boundary
conditions Gauss law & its applications Laplace & Poissons equations Electrostatic energy & force : Energy
of a charge distribution, energy density, pressure & forces. Method of images: Point charge & a
conducting plane. Steady electric current : Current density,
equation of continuity. Static magnetic fields in vacuum : Lorentz
force equation, Biot-Savarts law & its applications, Amperes circuital law
& its applications. Divergence and curl of B, magnetic scalar & vector
potentials. Electromagnetic induction: Faradays laws in
integral & point form, simple problems. Summary of the results in the form of Maxwells
equations, modification of equations for time varying fields. Uniform plane waves in free space : Derivation of wave equation & its solution in its simplest form, concept of space & time variations, E,H, & the direction of wave propagation, Intrinsic impedance, sinusoidally time varying uniform plane waves in free space, phase constant, wavelength, phase velocity, classification of waves for communication. |
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