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The ability of a moving charge to create a vortex magnetic field around itself is well known. This phenomenon formed the basis for the creation of electromagnets. The reverse process is electromagnetic induction, when a magnet moving with acceleration becomes a source of electric current in a closed conducting circuit. In this regard, ferromagnetic fluids are of some interest. Ferromagnetic fluid is an aggregatively stable colloidal system consisting of nanosized particles of a dispersed phase uniformly distribute...