Electrical Machines Eg (generated emf) and Eb (back emf) both are same. none of above. different. changes. same. none of above. different. changes. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When maximum starting torque is obtained, rotor power is ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following are variable losses? armature copper loss hysteresis loss eddy current loss shunt field copper loss armature copper loss hysteresis loss eddy current loss shunt field copper loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in DC generators will result in short circuit. reduction in generated emf. increase in slip. open circuit. short circuit. reduction in generated emf. increase in slip. open circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC shunt generator having a wave winding supplies 50 lamps, each of 60 W at 120 V. The armature and field resistance are 0.2 Ω and 60 Ω respectively. The current in each armature conductor is 27 A. 23 A. 13.5 A. 11.5 A. 27 A. 23 A. 13.5 A. 11.5 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by the armature of DC motor is directly proportional to The speed of motor. None of above. The voltage across the terminals. The torque required. The speed of motor. None of above. The voltage across the terminals. The torque required. ANSWER DOWNLOAD EXAMIANS APP
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