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1. |
In the circuit shown below, SCR T1 conducts first. If T1 is fired at an angle of α > 30°, then T1 would conduct from |
A. | α to 180° |
B. | 30 + α to 180° |
C. | 30 + α to 150° |
D. | 30 + α to 120° |
Answer» C. 30 + α to 150° | |