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

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Page 177

Hence \=\Eae + Eae ) IEI = EJ (e TM ) + Eu2 (e ) + 2\EJ2=2 \Ea P = 2 Itf.P The first

two terms vanish on taking the time average and using the expression (29), the

Hence \=\Eae + Eae ) IEI = EJ (e TM ) + Eu2 (e ) + 2\EJ2=2 \Ea P = 2 Itf.P The first

two terms vanish on taking the time average and using the expression (29), the

**Poynting vector**is 2tx oo2 Irrl frxjme J I r - r' I .du' to' 2ncr3 7T [RjJi « <W J (30) ...Page 195

at the instant of emission toits position at the instant of reception. u R - R — is

therefore the vector joining the field point ... The fields E and B both show a R ~ 2

dependence, hence the

...

at the instant of emission toits position at the instant of reception. u R - R — is

therefore the vector joining the field point ... The fields E and B both show a R ~ 2

dependence, hence the

**Poynting vector**would vary as R 4 If now we consider the...

Page 310

The above examples go to show that except in the case of the pure radiation

fields (also sometimes called null fields) the

always be made to vanish by a Lorentz transformation. However the velocity

involved ...

The above examples go to show that except in the case of the pure radiation

fields (also sometimes called null fields) the

**Poynting vector**at any point mayalways be made to vanish by a Lorentz transformation. However the velocity

involved ...

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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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