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1. |
IN_A_3-PHASE_SEMI-CONVERTER,_FOR_FIRING_ANGLE_LESS_THAN_60¬¨ àû_THE_FREEWHEELING_DIODE_CONDUCTS_FOR?$# |
A. | 30° |
B. | 60° |
C. | 120° |
D. | 0 |
Answer» E. | |