MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the ratio of copper required for the 3-wire 3-phase AC system to an equivalent 2-wire DC system? |
| A. | 2cos2 θ |
| B. | cos2 θ |
| C. | \(\frac{1}{{2{{\cos }^2}\theta }}\) |
| D. | \(\frac{2}{{{{\cos }^2}\theta }}\) |
| Answer» D. \(\frac{2}{{{{\cos }^2}\theta }}\) | |