What is the increase in torque expressed as percentage of initial torque, if ___

What is the increase in torque expressed as percentage of initial torque, if the current drawn by a dc series motor is increased from 10 A to 12 A (neglect saturation)?

A. 0.21
B. 0.25
C. 0.41
D. 0.44

Show Answer

Answer: D

Share your understanding of this question with the correct explanation.