## Classical Electrodynamics |

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Page 8

15 ) the electric field ( a vector ) is derived from a

. Since one function of position is easier to deal with than three , it is worth while

concentrating on the

15 ) the electric field ( a vector ) is derived from a

**scalar**by the gradient operation. Since one function of position is easier to deal with than three , it is worth while

concentrating on the

**scalar**function and giving it a name . Consequently we ...Page 296

111 ) ' I 2 kaç as the

solid angle in the

2 ) , ( ka ) 2 - Pi * cos o ( 9 . 112 ) d22 T2 cos a II ka where P , is given by ( 9 .

111 ) ' I 2 kaç as the

**scalar**equivalent of ( 9 . 102 ) . The power radiated per unitsolid angle in the

**scalar**Kirchhoff approximation is COSO ( ka ) 2 cos a + cos 0 22 ) , ( ka ) 2 - Pi * cos o ( 9 . 112 ) d22 T2 cos a II ka where P , is given by ( 9 .

Page 538

Multipole Fields In Chapters 3 and 4 on electrostatics the spherical harmonic

expansion of the

some symmetry property with respect to an origin of coordinates . Not only was it

...

Multipole Fields In Chapters 3 and 4 on electrostatics the spherical harmonic

expansion of the

**scalar**potential was used extensively for problems possessingsome symmetry property with respect to an origin of coordinates . Not only was it

...

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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