## Classical electrodynamics |

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Page 612

All quantities, whether length or time or force or energy, etc., are expressed in

terms of this one unit and have

There is nothing contrived or less fundamental about such a system than one ...

All quantities, whether length or time or force or energy, etc., are expressed in

terms of this one unit and have

**dimensions**which are powers of its**dimension**.There is nothing contrived or less fundamental about such a system than one ...

Page 614

Only when we define other field quantities may it be convenient to insert

Consequently, with no ...

Only when we define other field quantities may it be convenient to insert

**dimensional**proportionality constants in the definitions in order to adjust the**dimensions**and magnitude of these fields relative to the electric field.Consequently, with no ...

Page 615

Thus for a long straight wire carrying a current /, the magnetic induction B at a

distance d has the magnitude (and

A.I), (A.3), ...

Thus for a long straight wire carrying a current /, the magnetic induction B at a

distance d has the magnitude (and

**dimensions**) / d B = 2A:2a - (A.6) The**dimensions**of the ratio of electric field to magnetic induction can be found from (A.I), (A.3), ...

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### Contents

Introduction to Electrostatics | 1 |

Scalar potential | 7 |

Greens theorem | 14 |

Copyright | |

19 other sections not shown

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### Common terms and phrases

4-vector acceleration angular distribution approximation assumed atomic axis behavior Bessel functions boundary conditions bremsstrahlung calculate Chapter charge density charge q charged particle classical coefficients collisions component conductor Consequently consider coordinates cross section current density cylinder defined delta function dielectric constant diffraction dimensions dipole direction discussed effects electric field electromagnetic fields electron electrostatic emitted energy loss expansion expression factor force equation frequency given Green's function impact parameter incident particle inside integral inversion Laplace's equation limit linear Lorentz invariant Lorentz transformation macroscopic magnetic field magnetic induction magnitude Maxwell's equations meson molecules momentum multipole multipole expansion nonrelativistic obtain orbit oscillations parallel perpendicular plane wave plasma point charge polarization power radiated problem quantum quantum-mechanical radiative radius region relativistic result scalar scattering shown in Fig shows solid angle solution spectrum spherical surface theorem transverse vanishes vector potential wave equation wave number wavelength written zero