Armature voltage control is suitable if d.c. machine is driven at constant HomeDC Motor MCQsArmature voltage control is suitable if d.c. machine is driven at constant Q. Armature voltage control is suitable if d.c. machine is driven at constant A. Torque B. Magnetic field C. Speed D. Current Answer: Torque
A shunt motor is fitted with a field regulator for speed control. For constant torque load, the speed will be minimum when the resistance of the regulator is
