## Classical Electrodynamics |

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Page 104

At any instant of time the very many charges in the volume AV will be in all

possible states of motion . An

same result as an

averaged ...

At any instant of time the very many charges in the volume AV will be in all

possible states of motion . An

**average**over them at that instant will yield thesame result as an

**average**at some later instant of time . Hence , as far as theaveraged ...

Page 108

N ( e ; ) + pex where Ni is the number of molecules of type i per unit volume , ( ei )

is their

excess ( or free ) charge density . Usually the molecules are neutral , and the total

...

N ( e ; ) + pex where Ni is the number of molecules of type i per unit volume , ( ei )

is their

**average**charge , and ( P : ) is their**average**dipole moment . Pex is theexcess ( or free ) charge density . Usually the molecules are neutral , and the total

...

Page 321

43 ) 8 Je pa dr " The

total current I and radius R without specifying the detailed radial behavior . Thus (

10 . 44 ) R Jo Integration by parts and use of ( 10 . 40 ) gives < p ) = 27 " pp ( r ) dr

...

43 ) 8 Je pa dr " The

**average**pressure inside the cylinder can be related to thetotal current I and radius R without specifying the detailed radial behavior . Thus (

10 . 44 ) R Jo Integration by parts and use of ( 10 . 40 ) gives < p ) = 27 " pp ( r ) dr

...

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### Contents

Introduction to Electrostatics | 1 |

References and suggested reading | 50 |

Multipoles Electrostatics of Macroscopic Media | 98 |

Copyright | |

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### Common terms and phrases

acceleration angle angular applied approximation assumed atomic average axis becomes boundary conditions calculate called Chapter charge charged particle classical coefficients collisions compared component conducting Consequently consider constant coordinates cross section cylinder defined density dependence derivative determine dielectric dimensions dipole direction discussed distance distribution effects electric field electromagnetic electron electrostatic energy equal equation example expansion expression factor force frame frequency function given gives incident inside integral involved light limit Lorentz loss magnetic magnetic field magnetic induction magnitude mass means momentum motion moving multipole normal observation obtain origin parallel particle physical plane plasma polarization position potential problem properties radiation radius region relation relative relativistic result satisfy scalar scattering shown in Fig shows side solution space sphere spherical surface transformation unit vanishes vector velocity volume wave written