780. In figure «4» of the diagram in the illustration, the three-phase step-down power transformer has a turns ratio of five to one. If a three-phase 4160 volt supply is connected to terminals «A1-B1-C1», what voltage should develop across terminals «A2-B2-C2»

780. In figure "4" of the diagram in the illustration, the three-phase step-down power transformer has a turns ratio of five to one. If a three-phase 4160 volt supply is connected to terminals "A1-B1-C1", what voltage should develop across terminals "A2-B2-C2"

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