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

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Page 2

The inverse square law has very far reaching implications. The electrostatic

broken up into two factors (i) something called the field is assumed to exist in

space ...

The inverse square law has very far reaching implications. The electrostatic

**interaction**is usually given a field theoretic interpretation i.e. the**interaction**isbroken up into two factors (i) something called the field is assumed to exist in

space ...

Page 31

It is clear from the above expression that the

varies inversely as the distance r, that between two dipoles inversely as r3 (cf.

equation 5 of Chapter 2) and in case of quadrupoles as r ' 5. In general we may ...

It is clear from the above expression that the

**interaction**energy of two monopolesvaries inversely as the distance r, that between two dipoles inversely as r3 (cf.

equation 5 of Chapter 2) and in case of quadrupoles as r ' 5. In general we may ...

Page 82

Although, unlike in electrostatics, the elementary sources were dipoles rather

than monopoles, the basic law of

hypothetical poles. The fundamental laws could be written as: (1) The torque on

an ...

Although, unlike in electrostatics, the elementary sources were dipoles rather

than monopoles, the basic law of

**interaction**could be considered by introducinghypothetical poles. The fundamental laws could be written as: (1) The torque on

an ...

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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