PHYSICS- DIELECTRICS: Basics: Colomb's Law of Electrostatic Forces, Gauss Law, Dielectrics & its types, Dielectrics in External Electrostatic Field (or Polarization of Dielectrics); Gauss Law in Presence of Dielectric; Polarization Vector, Displacement Vector, Electric Susceptibility, Energy Stored in Dielectric in Electrostatic Field; Behavior of Dielectric in A.C. Field, Dielectric Losses.