By summing over all such cones we shall include the contributions from all parts of the closed surface, so that if P, ... Hence fdeS=ffmdS+Umds+ = 4-1:- x (the sum of all the charges inside the surface) = 47rE, which proves the theorem.

Title | : | The Mathematical Theory of Electricity and Magnetism |

Author | : | J.J. Hopwood |

Publisher | : | Рипол Классик - |

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