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if you had two positively charged rings, and they were rotating next to each other on a plane side by side, one rotating clockwise and one rotating counter clockwise, would they experience magnetic repulsion?
Please clear up a point for me, if the rings are conductive and bear a charge (an excess or deficit of electrons) does rotating them have the same effect as passing a current around them or does there have to be a dipole field.
Am I right in thinking that when a magnetic field is generated by a rotating charged ring the field is static?
What about the case when the ring is made of magnetic materiel does the field rotate in this case?.