In context of a three phase transformer, what is the angle difference – McqOptions

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1.	In context of a three phase transformer, what is the angle difference between the phase voltages in primary and secondary sides if the primary side is connected in star and secondary side is connected in delta connection?
A.	Delta side lags by +/- 130 degree
B.	Star side lags by +/- 145 degree
C.	delta side leads by +/- 30 degree
D.	Star side leads by +/- 113 degree
Answer» D. Star side leads by +/- 113 degree

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