Q. 46 A 250 V dc shunt machine has armature circuit resistance of 
and field
circuit resistance of 
The machine is connected to 250 V supply mains. The
motor is operated as a generator and then as a motor separately. The line current
of the machine in both the cases is 50 A. The ratio of the speed as a generator to
the speed as a motor is _____.
Answer:(1.27 )
Explanation:
