MCQOPTIONS
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MCQOPTIONS
| 1. |
A single-phase half wave controlled rectifier, operating at 120 V rms and 60 Hz ac supply, has a firing angle of 60°. The average value of its output voltage is |
| A. | \(\frac {45\sqrt 2}{\pi} V\) |
| B. | \(\frac {45\sqrt 3}{\pi} V\) |
| C. | \(\frac {90\sqrt 2}{\pi} V\) |
| D. | \(\frac {90\sqrt 3}{\pi}V\) |
| Answer» D. \(\frac {90\sqrt 3}{\pi}V\) | |