Principles and Applications of Electromagnetic Fields

Ampère's Ampère's law angle antenna applied field arbitrary array assumed axis boundary conditions C₁ C₂ capacitance capacitor charge density circuit component conducting conductor Consequently consider constant coordinates curl current density current flow current loop cylinder derived dielectric direction displacement displacement current divergence divergence theorem electric field electromagnetic electron electrostatic field energy stored equal equivalent evaluate example expression ferromagnetic finite force frequency function given H₁ H₂ hence I₁ illustrated in Fig induced voltage infinite integral Laplace's equation line integral linear magnetic dipole magnetic field magnitude Maxwell's equations meter mode normal obtain plates Poisson's equation polarization Poynting vector problem propagation R₁ radiated radius rectangular region result S₁ scalar potential solution space sphere tangential theorem time-varying tion toroid V₁ vector field vector potential velocity waveguide zero μο