![A separately excited dc motor has an armature resistance ๐
๐ = 0.05 ฮฉ](https://www.gkseries.com/blog/wp-content/uploads/2023/10/A-separately-excited-dc-motor-has-an-armature-resistance-๐
๐-0.05-ฮฉ.jpg)
Q. A separately excited dc motor has an armature resistance ๐ ๐ = 0.05 ฮฉ. The field excitation is kept constant. At an armature voltage of 100 V, the motor produces a torque of 500 Nm at zero speed. Neglecting all mechanical losses, the no-load speed of the motor (in radian/s) for an armature voltage of 150 V is (up to 2 decimal places).
Ans: 600
Sol:
![](https://www.gkseries.com/blog/wp-content/uploads/2023/10/Screenshot-1005.png)