A wye-delta transformer has a turns ratio of 2:1. It has a secondary line voltage of 480 V. The secondary is connected to a wye-connected three-phase resistive load of 50 ? in each phase. What is the current flow is in each load resistor?
A. 1.6 A
B. 2.8 A
C. 4.77 A
D. 5.54 A
Answer: D
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