## Classical theory of electricity and magnetism: a course of lectures |

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Page 120

Because of the continuity condition there must be an electric field parallel to the

perpendicular plane, so that E x H turns out to be in the radial direction and

towards the

Because of the continuity condition there must be an electric field parallel to the

**axis**of the wire (say z-**axis**). The magnetic field lines are circles in theperpendicular plane, so that E x H turns out to be in the radial direction and

towards the

**axis**...Page 160

We give below two schematic diagrams showing the relative orientations of k, E,

D, B and the Poynting vector for the two rays, for which the z-

direction of k. Fig. 1 Crystal classes and optic

We give below two schematic diagrams showing the relative orientations of k, E,

D, B and the Poynting vector for the two rays, for which the z-

**axis**is taken in thedirection of k. Fig. 1 Crystal classes and optic

**axes**According to symmetry of ...Page 229

where we are using spherical polar coordinates with jc-

energy radiated in time di in solid angle dil is therefore c (ex)2 17T- 1 ) cos/w + —

sin pt e*E0i Lv^ ' W J Taking the time average i.e. integrating over a time ...

where we are using spherical polar coordinates with jc-

**axis**as the polar**axis**. Theenergy radiated in time di in solid angle dil is therefore c (ex)2 17T- 1 ) cos/w + —

sin pt e*E0i Lv^ ' W J Taking the time average i.e. integrating over a time ...

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### Contents

The empirical basis of electrostatics | 1 |

Direct calculation of fields | 7 |

dipoles9 The Dirac 5function13 | 13 |

Copyright | |

23 other sections not shown

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acceleration angle angular axis boundary conditions calculate called centre charge density charge distribution charged particle coefficient coil components conducting conductor consider coordinates dielectric constant differential dipole direction distance divergence electric and magnetic electric field electromagnetic field electromotive force electron electrostatic energy flux equation 16 expression field due field point finite fluid formula Fourier frame frequency function given gives Hence incident infinite interaction isotropic Laplace's equation linear Lorentz transformation magnetic field magnitude Maxwell's equations medium molecule momentum motion number density obtain orthogonal oscillations permanent magnets perpendicular photon plane plasma point charge polarization potential due Poynting vector radiation field radiation reaction radius refractive index region relation result satisfied scalar shows sin2 solution special theory sphere at infinity spherical surface integral symmetry tensor term theorem theory of relativity transverse uniform vanishes vector potential velocity volume wave length write zero