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°


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