Question: (a) A small current loop moves with constant velocity v 0 as viewed in the laboratory frame. Find the vector potential A(r) and the scalar

(a) A small current loop moves with constant velocity v₀ as viewed in the laboratory frame. Find the vector potential A(r) and the scalar potential ϕ(r) in the lab frame. It may be convenient to introduce the vector R = r − v₀t.
(b) Take the limit ν₀<< c in your formulae and deduce that the moving loop possesses both a magnetic dipole moment and an electric dipole moment.

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