Electrical Machines Hysteresis loop represents the area of hysteresis loss total iron losses copper loss eddy current loss hysteresis loss total iron losses copper loss eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the speed control of polyphase squirrel cage induction motor, if frequency of operation is decreased with None of these constant V, Tst increases constant supply voltage V, starting torque Tst decreases either of these None of these constant V, Tst increases constant supply voltage V, starting torque Tst decreases either of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load saturation characteristics are plotted between no load voltage and field current short circuit current and armature current no load voltage and armature current short circuit current and field current no load voltage and field current short circuit current and armature current no load voltage and armature current short circuit current and field current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC cumulatively compounded motor delivers rated load torque at rated speed. If the series field is short-circuited, then the armature current and speed will both increase both decrease decrease and increase respectively increase and decrease respectively both increase both decrease decrease and increase respectively increase and decrease respectively ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following voltage regulator is preferred for providing large values of load current? Transistor shunt regulator. Transistor series regulator. None of these Zener diode shunt regulator. Transistor shunt regulator. Transistor series regulator. None of these Zener diode shunt regulator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The heat transfer by convection in a transformer least depends on surface area. air velocity. temperature difference. color of the paint. surface area. air velocity. temperature difference. color of the paint. ANSWER DOWNLOAD EXAMIANS APP
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