Electrical Machines A 4 pole dc generator is running at 1500 rpm the frequency of current in the armature winding is 200Hz. 100Hz. 50Hz. 150Hz. 200Hz. 100Hz. 50Hz. 150Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 72 number of coils are used. Find the number of commutator segments required? 37 74 72 36 37 74 72 36 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 230 volt dc motor has an armature winding resistance of 0.5 ohm. Calculate the emf induced by the motor if the full load armature current is 23 ampere. 220.4 volt. 120 volt. None of these. 218.5 volt. 220.4 volt. 120 volt. None of these. 218.5 volt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the actual arrangement of series wound generator? Armature and field both are connected. Armature and field both are in series with the load. Armature and field both are parallel. Armature winding is in series with load. Armature and field both are connected. Armature and field both are in series with the load. Armature and field both are parallel. Armature winding is in series with load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine yoke offers flux path completion produce working flux both A and B mechanical protection to the machine flux path completion produce working flux both A and B mechanical protection to the machine ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will be the e.m.f. generated by a 4 pole lap connected DC Generator rotating at 1500 r.p.m.? Its flux per pole is 0.4 mWb and total no of armature conductors is 1000. 30 volts. 40 volts. 10 volts. 20 volts. 30 volts. 40 volts. 10 volts. 20 volts. ANSWER DOWNLOAD EXAMIANS APP
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