Electrical Machines In a transformer maximum flux density is not constant, the eddy current loss varies as V f² f V² V f² f V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When pure inductive load is connected to the alternator, what is the effect of armature reaction? None of these Cross magnetization Demagnetization Magnetization None of these Cross magnetization Demagnetization Magnetization ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The short circuit test on a transformer is conducted to obtain eddy current loss. copper losses. hysteresis loss. core loses only. eddy current loss. copper losses. hysteresis loss. core loses only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. The frequency of rotor current is 50 Hz 1 Hz 5 Hz 0 Hz 50 Hz 1 Hz 5 Hz 0 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For which of the following loads, armature reaction is magnetizing in nature? pure resistive load pure inductive load pure capacitive load None of these pure resistive load pure inductive load pure capacitive load None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 0.7. 0.54. 1. 0.3. 0.7. 0.54. 1. 0.3. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS