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The Electric Field
The Electric Field and Materials
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_ Figure Ampere Ampere’s axis bound charge boundary conditions capacitor cartesian charge density charge Q closed path closed surface coil components compute conducting conductor consider coordinates coulomb Coulomb’s law curl H current density current ﬂow cylindrical d(vol deﬁned deﬁnition dielectric constant dipole direction displacement current divergence theorem electric and magnetic electric ﬁeld strength electron energy equipotential ﬁlament ﬁnally ﬁnd ﬁrst free space function grad gradient Hence illustrated in ﬁgure indicated in ﬁgure inﬁnite interface line charge loop integral lst Edn magnetic ﬁeld strength magnetic ﬂux density magnetic potential material Maxwell’s equations metre normal parallel plane wave plate point charge polarisation Poynting vector problem propagation radius rectangular reﬂected region scalar potential shown in ﬁgure solid angle sphere spherical strength H surface integral theorem uniform plane wave values vector ﬁeld velocity voltage wire zero