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Electric field singularities
Is this the list of all possible singularities in electrostatic field $E$?
near the point charge: $\frac{1}{r^2}$
near the line of charge: $\frac{1}{r}$
near the edge (not surface) of uniform ...
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Tension in a curved charged wire (electrostatic force) - does wire thickness matter?
Consider a conducting wire bent in a circle (alternatively, a perfectly smooth metal ring) with a positive (or negative) electric charge on it. Technically, this shape constitutes a torus. Assume ...
