![Mcqmate logo](https://mcqmate.com/public/images/logos/logo-black.png)
![Mcqmate logo](https://mcqmate.com/public/images/logos/logo-white.png)
McqMate
Q. |
A 4 pole, 50Hz , 3 phase I M is running at 1425rpm on full load having rotor impedance per phase on standstill as 0.4+j2Ω. The external resistance required in the rotor per phase to get maximum torque at start is ___. |
A. | 0.2 |
B. | 1.6 |
C. | 0.8 |
D. | 0.4 |
Answer» B. 1.6 |
View all MCQs in
Electrical and Electronics EngineeringNo comments yet