In D.C. shunt motors as load is reduced

Related MCQs

• 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 suddenlyopens
• In case of D.C. shunt motors the speed is dependent on back e.m.f. only because
• 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 speed of a D.C. shunt motor more than its full-load speed can be obtained by
• As -the load is increased the speed of D.C. shunt motor will
• The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except
• Two D.C. shunt generators, each with armature resistance of 0.02 ohm and field resistance of 50 ohm run in parallel and supply a total current of 1000 amperes to the load circuit. If their e.m.fs. are 270 V and 265 V, their bus bar voltage will be
• The no-load current drawn by transformer is usually what per cent of the full-load current ?