In a three-phase star ‚Äö√Ñ√∂‚àö√ë‚àö¬® delta transformer, what is the angle difference between primary and secondary phase voltages?$

In a three-phase star ‚Äö√Ñ√∂‚àö√ë‚àö¬® delta

1.	In a three-phase star ‚Äö√Ñ√∂‚àö√ë‚àö¬® delta transformer, what is the angle difference between primary and secondary phase voltages?$
A.	Delta side leads by 300
B.	Delta side lags by 300
C.	Star side leads by 300
D.	Star side lags by 300
Answer» B. Delta side lags by 300