Page 604 - Engineering Electromagnetics, 8th Edition
P. 604
586 INDEX
Input impedance, 419 Lbf (pound-force), 3 M
Instantaneous field values, Leaky wave propagation, 491 Macroscopic phenomenon, 33
375 Left circular polarization, 398 Magnetic boundary
Instantaneous power, Left elliptical polarization, conditions, 252–254
316–317 398 Magnetic charges, 285
Instantaneous values of the Left-handed screw, 398, 399 Magnetic circuit, 255–260
total field, 411 Lenz’s law, 278, 280, 282
Insulators, 114 Lever arm, 239 Magnetic dipole antenna,
Intensity plots, 504, 505 Linear charge density, 36, 523–524
Interference pattern, 473 153 Magnetic dipole moment, 241
Interior paths, 203 Linearly polarized wave, 395 Magnetic dipole moment per
unit volume, 248
Internal fields, 137 Linear polarization, 397, 497 Magnetic dipoles, 248
Internal inductance, 267 Line charges Magnetic energy, 266
International System (SI), 27, cross-section of, 41 Magnetic field, 278
207, 557, 558, 559, 560, density, 102 Magnetic field configuration,
561 differential-width, 39 395
Intrinsic impedance, 374 equivalent, 153 Magnetic field intensity (H)
Inverse cube law, 100 field of, 35–39 caused by a finite-length
Inverse square law, 85, 100 infinite, 38, 80–81, 186 current filament, 186
Isotropic materials, 116 infinite uniform, 38, 39, 58 curl of, about an infinitely
Isotropic radiator, 520–521 potential of, 150 long filament, 199
straight, 35 definition of, 210
uniform, 55, 87
K uniform density, 35, 36, 88 as a function of radius in an
Kinetic energy, 85, 100, 231 uniform distribution, 57–63 infinitely long coaxial
transmission line, 192
Kirchoff’s current law, 304 Line integral, 77–79 produced by a differential
Kirchoff’s voltage law, 89, Lines, 303, 316. See also current element, 181
304 Transmission lines spatial rate of change of,
Lorentz force equation, 231 196
Lossless line, 302
L streamlines of, about an
Lossless propagation,
Laplace’s equations 306–310, 315–317 infinitely long straight
filament, 185
for cylindrical coordinates, Loss tangent, 377, 381 Magnetic flux, 143, 207–209
165 Lower-index cladding, 496 Magnetic flux density,
derivation of, 160–162 Low-loss approximation, 207–209, 281
examples of the solution 315–316, 317 Magnetic materials
of, 162–168 Low-loss propagation, nature of, 244–247
uniqueness theorem and, 315–317 potential energy and forces
565–566 Lumped-element model, 303,
Laplacian of V, 161 305 on, 261–263
Laplacian of vector, 219 Lumped elements, 301 Magnetic moment, 244–246
