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				| 1. | In a balanced three-phase system-delta load, if we assume the line voltage is VRY = V 0 as a reference phasor. Then the source voltage VBR is? | 
| A. | V 120 | 
| B. | V 240 | 
| C. | V -240 | 
| D. | V -120 | 
| Answer» D. V -120 | |