Introduction to the Principles of Electromagnetism

axis b₁ base vectors boundary conditions bounding surface cavity charge Q circuit coefficients conducting surfaces constant coordinate system cosh covariant current distribution current loop cylinder density dielectric dipole distribution discontinuity divergenceless E₁ electric field electric permittivity electric potential electromagnetic field expressed Əqi field vectors Green function infinitesimal integral K₁ Laplace's equation Legendre polynomials linear magnetic dipole magnetic field magnetic induction magnetic induction field magnetic induction vector magnetic vector potential magnitude matrix medium modes multipole expansion normal obtain orthogonal P(cos particle particle's plane wave point charge point dipole Poisson's equation position vector potential energy potential produced problem quantity radius rectangular reexpress region relation result satisfy scalar potential sin² sinh solution spherical surface charge distribution symmetry tangential component tensor theorem total charge vanishes vector field velocity yields z-axis Απ Απερ μο ппу