| Q.43 | The generation and transmission of electrical power are more efficient in three-phase systems employing three voltages of: | |
| Ans | A. different magnitude and frequency and 120° phase difference from each other | |
| B. the same magnitude and frequency and 120° phase difference from each other | ||
| C. different magnitude and frequency and 60° phase difference from each other | ||
| D. the same magnitude and frequency and 60° phase difference from each other |
Correct Ans Provided: B
