Page 601 - Engineering Electromagnetics, 8th Edition
P. 601
INDEX 583
Displacement current, energy expended in Electrostatic field energy,
284–288 moving, 76–77 100–104
Displacement current density, torque produced by, 242 Electrostatic potential, 208,
285 in the xy plane of a right 211
Displacement flux, 49 circularly polarized Electrostatics, 66–67
Displacement flux density, 49 plane wave, 398 Elemental dipole, 511–517
Distortionless line, 316 Electric field amplitude Elliptical polarization, 397
Distributed elements, 301 distributions, 494 Emf, 278, 279, 282
Distributive law, 9 Electric field configuration, Enclosed charge, 130
Divergence, 64–66, 554–556 395 Endfire array, 536, 540
Divergence theorem, 67–69 Electric field intensity, 29–33 End point, 91
Domains, 246 in a cylindrical region, 117 Energy
Donor materials, 127 as functions of distance, electromagnetic, 389, 453
Dot product, 11, 67 170 in electrostatic field,
Dot products of unit vectors and inverse cube law, 100 100–104
in cylindrical coordinate Electric flux, 50, 143 incident, 409, 416
systems, 17 Electric flux density, 48–51, kinetic, 85, 100, 231
in rectangular coordinate 53 magnetic, 266
systems, 17, 21 Electricity, 26 potential. See also
in spherical coordinate Electric susceptibility, 131 Potential energy
systems, 21 Electromagnetic energy, 389, quantum, 114, 571
Drift velocity, 115 453 spectral, 443–444, 447
Electromotive force (emf), stored in capacitors, 104,
278, 279, 282 143
E Electron-beam current, 233 stored in inductors, 268
Earth Electrons stored in transmission
fields produced by, 3 atomic model of, lines, 331
magnetic field of, 2 244–246 Energy and potential, 75
rare elements of, 246 charge, 27 Energy-band structure,
reference points, 84 conduction, 115 114
Effective dielectric constant, Coulumb forces, 232, 568 Energy density
461 forces on, 115 in electrostatic field,
Effective impedances, 431 free, 115, 377, 380 100–104
Eigenvalue equations, 495 orbital, 247, 249 in magnetic field, 262
Electric dipole, 95–100 in semiconductors, Envelope frequency, 441
Electric dipole geometry, 97 126–127, 169 Equipotential surfaces
Electric field valence, 114, 115 boundary conditions, 162
about an infinite line Electron spin, 244–246 circular cylinders, 150
charge, 186 Electrostatic field and electric field intensity
component magnitudes, energy density in, 100–104 and electric flux density,
397 of point dipole, 99 155–156
