Electrical Machines To eliminate the 5th harmonic in the induced voltages their respective pitch factor angle should be 72° 36° 30° 18° 72° 36° 30° 18° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A compound motor has tertiary winding. only shunt field winding. only series field winding. both shunt and series field winding. tertiary winding. only shunt field winding. only series field winding. both shunt and series field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a DC series motor is Proportional to field current. Proportional to the square of the armature current. Inversely proportional to the armature current. Proportional to the armature current. Proportional to field current. Proportional to the square of the armature current. Inversely proportional to the armature current. Proportional to the armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has negative speed regulation? Series motor Differential compound motor Shunt motor Cumulative compound motors Series motor Differential compound motor Shunt motor Cumulative compound motors ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of conductor of a DC motor can be determined by Lenz's law. Fleming's right hand rule. Fleming's left hand rule. Ampere law. Lenz's law. Fleming's right hand rule. Fleming's left hand rule. Ampere law. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single phase transformer when supplied from 220 V, 50 Hz has eddy current loss of 50 W. If the transformer is connected voltage of 330 V, 75 Hz, the eddy current loss will be 75 W 168.75 W 112.5 W 50 W 75 W 168.75 W 112.5 W 50 W ANSWER DOWNLOAD EXAMIANS APP
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