1.

In the below figure, the load is highly inductive. The firing angle is a for each of the thyristors. The periods of conduction of Th1 and Th2 respectively are

A. 0 to p and p to 2p
B. a to p and p + a to 2p
C. a to p + a and p + p to 2p + a
D. a to p - a and p + a to 2p - a
Answer» D. a to p - a and p + a to 2p - a


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