In a 3 phase half wave rectifier, when firing angle is less than 90 degree, then the average dc output voltage becomes__________________? | MCQ Hive

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Q In a 3 phase half wave rectifier, when firing angle is less than 90 degree, then the average dc output voltage becomes__________________?

A A. Positive
B B. Negative
C C. Zero
D D. None of these

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