Electromagnetism

4περ amplitude angle of incidence average bound charge boundary conditions c²V capacitor Chapter charge density charge distribution charge q component constant coordinates Coulomb's law current density dimensional wave equation dipole antenna direction of propagation electric and magnetic electric dipole antenna electric field energy velocity expression field due field point free charge free space frequency function given in Eqn gives incident wave isotropic magnetic field material Maxwell equations Maxwell relation medium metal molecules n₁ normal incidence obtain perpendicular phase velocity plane of incidence plane wave point charge polarization positive Poynting vector propagation vector q2Eo radiation reflected wave refractive index result retarded scalar scattering sin² Snell's law spherical term unit area unit volume vector potential wave equation wave travels waveguide write x-component x-y plane y-z plane z-direction zero Απερ ду дур