MCQOPTIONS
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| 1. |
Calculate the circuit turn-off time for 3-Φ Fully controlled rectifier if the firing angle is 120° and supply frequency is 60 Hz. |
| A. | 1.8 msec |
| B. | 3.2 msec |
| C. | 6.3 msec |
| D. | 2.7 msec |
| Answer» E. | |