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In the positive half cycle, _________ SCRs are forward biased.

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In the positive half cycle, _________ SCRs are forward biased.

(a) P1, P2, N1, N2

(b) P1, P2, P3, P4

(c) N1, N2, N3, N4

(d) P3, P4, N1, N2

The question was posed to me at a job interview.

The above asked question is from Cycloconverters topic in division Applications, Cycloconverters and  Miscellaneous of Power Electronics

1 Answer

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by (45.1k points)
The correct choice is (a) P1, P2, N1, N2

Easy explanation: Pairs P1, P2 and N1, N2 are forward biased from ωt = 0 to π.

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