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

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Page 122

(According to the

flux is associated with momentum.) Considering a plane wave we have shown

that E, H and k are mutually orthogonal. Hence, the Poynting vector as well as the

...

(According to the

**special theory**of relativity, energy has inertia and thus energyflux is associated with momentum.) Considering a plane wave we have shown

that E, H and k are mutually orthogonal. Hence, the Poynting vector as well as the

...

Page 208

any difficulty, there are exceptional situations like the case of hyperbolic motion

x2 = b2+ c2/2 (which is the case of uniform acceleration according to the

any difficulty, there are exceptional situations like the case of hyperbolic motion

x2 = b2+ c2/2 (which is the case of uniform acceleration according to the

**special****theory**of relativity) where the apparent dependence on R is quite different.Page 299

If we put k infinity, the transformations reduce to Galilean form. With the second

postulate of

transormation formulae of

of ...

If we put k infinity, the transformations reduce to Galilean form. With the second

postulate of

**special relativity**the velocity of light is an invariant. Hence in thetransormation formulae of

**special relativity**, k is to be identified with c, the velocityof ...

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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