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1. |
For a three-phase, half-wave AC to DC converter, VDC is given by |
A. | \(\frac{{3\sqrt 3 {V_m}}}{{2\pi }}\cos \alpha \) |
B. | \(\frac{{3\sqrt 3 {V_m}}}{\pi }\cos \alpha\) |
C. | \(\frac{{{V_m}}}{{2\pi }}\left( {1 + \cos \alpha } \right)\) |
D. | \(\frac{{2{V_m}}}{\pi }\cos \alpha\) |
Answer» B. \(\frac{{3\sqrt 3 {V_m}}}{\pi }\cos \alpha\) | |