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On Problem 2.2 in Griffiths' Introduction to Electrodynamics
In part (a) we were asked to find the electric field at a distance $z$ above the midpoint between two equal charges of magnitude $q$ that are a distance $d$ apart. I obtained the correct answer:
$$\...
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pure dipole vs. physical dipole
So, let's assume that I have an electric dipole that comprises of charges $+q$ and $-q$ with separation of d placed in a non uniform electric field induced by charge $+Q$ which is a distance $x$ away ...
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dipole field on axis twice the field on perpendicular bisector
Why is the dipole field on axis twice the field on perpendicular bisector?
For the perpendicular bisector:
Lets assume -q is right from of the origin and +q is left from the origin, both a distance a ...
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