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Unknown integral identity in derivation of first Maxwell equation
Reference: "Theoretische Physik" (2015) by Bartelsmann and others, page 391, equation (11.23).
While deriving the first Maxwell equation based on Coulomb's law, the authors are using the ...
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Equation of infinitesimal ring when finding $ \vec{E}$ of a disc?
When trying to find the electric field created by a uniformly charged disc at a point P on axis of the disc, it can be done by integration.
We start by finding the electric field dE created by each ...
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