Croatian: Rotirajuće magnetsko polje: kako ga stvaraju tri struje simetrično smještene na obodu statora i razmaknute u fazi za 120°.
English: Rotating magnetic field as a consequence of three sine currents symmetrically arranged in electric motor's stator.
[ variable score defined: import into Moodle. Scoring: student saw all the cases: symmetrical and asymmetrical ]
