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? 41% 21% 10% 11% 41% 21% 10% 11% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux is maximum in the following part of a DC motor: pole core. under trailing pole tip. under the interpole. under leading pole tip. pole core. under trailing pole tip. under the interpole. under leading pole tip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 240 V, dc shunt motor draws 15 A while supplying the rated load at a speed of 80 rad/s. The armature resistance is 0.5 W and the field winding resistance is 80 W. The net voltage across the armature resistance at the time of plugging will be 240 V 6 V 234 V 474 V 240 V 6 V 234 V 474 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a transformer to be tested at full load conditions but consuming only losses from the main, we do load test OC and SC tests back to back test None of these load test OC and SC tests back to back test None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole dc generator runs at 1500 rpm. The frequencyof current in the armature winding is 50 Hz 100 Hz 25 Hz 0 Hz 50 Hz 100 Hz 25 Hz 0 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The back emf produced in a dc motor depends on P. Z. none of these. P and Z. P. Z. none of these. P and Z. ANSWER DOWNLOAD EXAMIANS APP
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