Which of the following statements is true concerning all rotating-field three-phase alternators?
Each has three separate but identical, interconnected stator windings (one for each phase) acted on by one system of rotating magnets.
Each has one stator winding acted on by three separate but identical, interconnected systems of rotating magnets (one for each phase).
Each has one stator winding acted on by one system of rotating magnets.
Each has three separate but identical, interconnected stator windings (one for each phase) acted on by three separate but identical, interconnected systems of rotating magnets (one for each phase).
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