A DC Motor is driving a constant load torque having armature resistance of 0.25 Ω and armature current of 60 A having connected to a voltage of 230 V.
Now a resistance of 1 ohm is added into the armature circuit.
The ratio of their speed will be
A. 0.62.
B. 1.24.
C. 0.25.
D. 0.72.
Show Answer
Answer: D
Share your understanding of this question with the correct explanation.