The speed of a 12-pole, 480V, 60Hz three-phase induction motor at full load is 560 rpm. The motor has the following parameters:
![2394_679a5dcd-4b42-41d6-942e-08f642910ff7.png](https://secure.tutorsglobe.com/CMSImages/2394_679a5dcd-4b42-41d6-942e-08f642910ff7.png)
a. Compute the developed torque.
b. While the torque is unchanged, the voltage is changed to reduce the speed of the motor to 520 rpm. Compute the new voltage.