Show that the first non zero term in an interior Cartesian multipole expansion of the vector potential can be written in the form A(r) ( 0 4)G r where G is a constant vector Show that the associated magnetic field is a Biot Savart field

Question: Show that the first non-zero term in an interior Cartesian multipole expansion of the vector potential can be written in the form A(r) = (

Show that the first non-zero term in an interior Cartesian multipole expansion of the vector potential can be written in the form A(r) = (μ₀/4π)G × r where G is a constant vector. Show that the associated magnetic field is a Biot-Savart field.

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