1.

On the two sides of a star/delta transformer ________

A. the voltage and current are both in phase
B. the voltage and current both differ in phase by 30°
C. the voltage differ in phase by 30° but currents are in phase
D. the current differ in phase by 30° but voltages are in phase
Answer» C. the voltage differ in phase by 30° but currents are in phase


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