Electrical Machines Slip exists in induction motor. none of above. in both machines. synchronous motor. induction motor. none of above. in both machines. synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider a separately excited DC motor. If the field current is increased while the armature terminal voltage is held constant, then speed of the motor will none of these. Decrease.d remains same. increase. none of these. Decrease.d remains same. increase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the increase in the torque expressed as percentage of initial torque, if current drawn by the dc series motor is increased from 10A to 11A? 10% 21% 41% 11% 10% 21% 41% 11% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines stepped cores are used in transformers in order to reduce volume of iron. iron loss. reluctance of core. volume of copper. volume of iron. iron loss. reluctance of core. volume of copper. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field weakening method is also called as-----------? constant torque control constant power control constant current control constant voltage control constant torque control constant power control constant current control constant voltage control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load saturation characteristics are plotted between 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 no load voltage and field current ANSWER DOWNLOAD EXAMIANS APP
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