In case of D.C. shunt motors the speed is dependent on back e.m.f. only because

Related MCQs

• If the speed of a D.C. shunt motor is increased, the back e.m.f. of the motor will
• The speed of a D.C. shunt motor more than its full-load speed can be obtained by
• The speed of a D.C. shunt motor is required to be more than full load speed. This is possible by
• If a D.C. shunt motor is working at no load and if shunt field circuit suddenly opens
• If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens
• In D.C. shunt motors as load is reduced
• D.C. shunt motors are used for driving
• Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors ?
• The mechanical power developed by a shunt motor will be maximum when the ratio of back e.m.f. to applied voltage is
• In case the back e.m.f. and the speed of a D.C. motor are doubled, the torque developed by the motor will