Electrical Machines Armature reaction in dc motor results open circuit. decrease in speed. increase in speed. short circuit. open circuit. decrease in speed. increase in speed. short circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC motor can be determined by Ampere's law. Fleming's left hand rule. Lenz's law. Fleming's right hand rule. Ampere's law. Fleming's left hand rule. Lenz's law. Fleming's right hand rule. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Drop in speed from no load to full load is very high in Series motor with interpoles. Shunt motor with interpoles. Cummulative compound motor with interpoles. Series motor without interpoles. Series motor with interpoles. Shunt motor with interpoles. Cummulative compound motor with interpoles. Series motor without interpoles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors has negative speed regulation? Series motors. Differential compound motors. Shunt motors. Both B and C. Series motors. Differential compound motors. Shunt motors. Both B and C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 2 pole lap winding dc machine , the resistance of one conductor is 2Ω and total number of conductors is 100. Find the total resistance 10Ω 50Ω 100Ω 200Ω 10Ω 50Ω 100Ω 200Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature core of a DC machine is laminated to minimise eddy-current loss hysteresis loss mechanical loss temperature rise eddy-current loss hysteresis loss mechanical loss temperature rise ANSWER DOWNLOAD EXAMIANS APP
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