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

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Page 33

This phenomenon of generation of dipole moments on a macroscopic scale is

called the polarization of the dielectric, and' is measured by the dipole moment

per unit

unit ...

This phenomenon of generation of dipole moments on a macroscopic scale is

called the polarization of the dielectric, and' is measured by the dipole moment

per unit

**volume**indicated by P. Due to this dipole distribution of moment P perunit ...

Page 35

More formally, consider an infinitesimal

interface are large compared to that normal to the surface. dA dA (D,). dA-iDJ.dA

=4nadA or, (£>,)„ - {DJn = 4na (11a). Fig. 1 (a) & 1 (b) The

portion ...

More formally, consider an infinitesimal

**volume**whose sides parallel to theinterface are large compared to that normal to the surface. dA dA (D,). dA-iDJ.dA

=4nadA or, (£>,)„ - {DJn = 4na (11a). Fig. 1 (a) & 1 (b) The

**volume**contains aportion ...

Page 71

Now consider an infinitesimal

infinitesimal elements of three coordinate planes and a slant face whose normal

is indicated by v. As the

smallness ...

Now consider an infinitesimal

**volume**of pyramidal shape bounded byinfinitesimal elements of three coordinate planes and a slant face whose normal

is indicated by v. As the

**volume**of such an element is of a higher order ofsmallness ...

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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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### Common terms and phrases

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