## Classical Electrodynamics |

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Page 2

At the moment, the electric field can be defined as the force per

at a given point. It is a vector function of position, denoted by E. One must be

careful in its definition, however. It is not necessarily the force that one would ...

At the moment, the electric field can be defined as the force per

**unit**charge actingat a given point. It is a vector function of position, denoted by E. One must be

careful in its definition, however. It is not necessarily the force that one would ...

Page

The Lorentz force equation can be written as a force per

representing the rate of change of mechanical momentum of the sources per

volume): f = 2E +! J X B (11.126) c where J and p are the current and charge

densities.

The Lorentz force equation can be written as a force per

**unit**volume (representing the rate of change of mechanical momentum of the sources per

**unit**volume): f = 2E +! J X B (11.126) c where J and p are the current and charge

densities.

Page

dI(a)) do dC2 0 dG) defines a quantity di(0)|ds) which is the energy radiated per

(14.59) If A(t) is real, from (14.55) it is evident that A(–0) = A*(w). Then dI(a)) 2 ...

dI(a)) do dC2 0 dG) defines a quantity di(0)|ds) which is the energy radiated per

**unit**solid angle per**unit**frequency interval: dI(a)) (14.58) d(). T |A(a))|* + |A(—o)|*(14.59) If A(t) is real, from (14.55) it is evident that A(–0) = A*(w). Then dI(a)) 2 ...

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### Contents

Introduction to Electrostatics | 1 |

Nš 3 | 3 |

Greens theorem | 14 |

Copyright | |

30 other sections not shown

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### Common terms and phrases

angle angular applied approximation assumed atomic average axis becomes boundary conditions calculate called Chapter charge classical collisions compared component conducting conductor Consequently consider constant coordinates cross section cylinder defined density depends 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 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 result satisfy scalar scattering shows side simple solution space sphere spherical surface transformation unit vanishes vector velocity volume wave written