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Introduction to Fields and Field Theory
Electromagnetic Field Laws in Free Space
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air region amplitude antenna arbitrary basic field laws behavior boundary conditions capacitance capacitor Cartesian cf Eq cf Fig chapter charge density charge distribution charge q coil completely components conductor constant contour curl current density cylindrical derivative dielectric differential direction divergence electric field electromagnetic field electrostatic enclosed equal to zero evaluation example expression field produced first-order flux follows free space frequency function given by Eq H field illustrated in Fig Laplace's equation Laplacian solutions line integral linear loop macroscopic magnetic field magnitude mathematical Maxwell's equations negative normal perfectly conducting physical plane wave Poisson's equation polarization potential power flow Poynting's theorem Poynting's vector quasi-static radiation radius reduces relation resulting satisfy scalar Section shown in Fig sinusoidal solutions of Laplace's spherical coordinates static fields surface integral time-average transmission line uniform plane wave unit vector vector field velocity voltage volume z-axis z-direction zero-order