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1. |
A separately excited dc motor when fed from single phase full converter runs at a speed of 1200 rpm. Load current remains continuous. If one of the SCR gets open circuited, the motor speed will reduce to |
A. | 900 rpm |
B. | 800 rpm |
C. | 600 rpm |
D. | 400 rpm |
Answer» D. 400 rpm | |