# Coulomb's Law of Electric Displacement -- Why is there none?

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1. Aug 3, 2015

### fricke

Why is there no Coulomb's Law for the electric displacement?

2. Aug 3, 2015

### stedwards

Why don't you see if you can construct one? D is a function of E, P, and $\epsilon$, and Coulomb's Law can be obtained from the Lorentz force.