IF YOU HAVE A 277 volt circuit IN you go from PHASE 1 to ground what will your voltage be?

IF YOU HAVE A 277 volt circuit IN you go from PHASE 1 to ground what will your voltage be?
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Figure 'C' of the diagram shown in the illustration has a turns ratio of four to one. If a three-phase 440 volt supply is connected to terminals 'A-B-C', what voltage should develop across terminals 'a-b-c'? EL-0084 A. 64 volts B. 110 volts C. 190 volts D. 762 volts

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