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Electric Field due to a disk of charge. (Problem in derivation)
This might be a really silly question, but I don't understand it.
In finding the electric field due to a thin disk of charge, we use the known result of the field due to a ring of charge and then ...
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1
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Gauss's (Divergence) theorem in Classical Electrodynamics
How does divergence theorem holds good for electric field.
How does this hold true-
$$\iiint\limits_{\mathcal{V}} (\vec{\nabla}\cdot\vec{E})\ \mbox{d}V=\mathop{{\int\!\!\!\!\!\int}\mkern-21mu \...