The mechanical power developed by a shunt motor will be maximum when the ratio of back e.m.f. to applied voltage is HomeDC Motor MCQsThe mechanical power developed by a shunt motor will be maximum when the ratio of back e.m.f. to applied voltage isQ. The mechanical power developed by a shunt motor will be maximum when the ratio of back e.m.f. to applied voltage isA. 4.0B. 2.0C. 1.0D. 0.5Answer: 0.5
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