MCQOPTIONS
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| 1. |
A single-phase induction regulator is a constant input transformer to obtain smooth variation of the output voltage by varying the |
| A. | Frequency |
| B. | Ratio of turns between primary and secondary winding |
| C. | Angle between the magnetic forces of the primary and secondary windings |
| D. | Flux-density in the core |
| Answer» D. Flux-density in the core | |