The Electromagnetic Field

8-sphere angle atom boundary calculated chapter charge e component conductor configuration considered continuous function Coulomb's law curl curvilinear co-ordinates density of charge density of polarization derivative dielectric constant differential dimensions direction disk distance distribution of charge electrical electromagnetic electron electrostatic intensity electrostatic problem electrostatic units elementary charges ellipsoid equal example expression exterior exterior normal fact force due foregoing function given interior charge line integral magnetic magnetostatics magnitude mathematical method molecules motion moving charge normal obtained physical plane ponderable body position potential due quantity rate of change region regular at infinity result satisfies scalar shell solution space sphere of radius spherical surface density surface integral tangential tangential component theorem theory tion torque total charge total force unit vanishes variables vector potential velocity volume density volume elements written zero Δτ Δτί ӘФ ди дх ду