Electrical Machines In a transformer, the frequency of a voltage at the secondary is greater than the primary. any of the above. equal to primary. less than primary. greater than the primary. any of the above. equal to primary. less than primary. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque angle, in a synchronous motor, is the angle between None of these magnetizing electric current and back emf. the rotating stator flux and rotor flux. the supply voltage and the back emf. None of these magnetizing electric current and back emf. the rotating stator flux and rotor flux. the supply voltage and the back emf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an auto-transformer, power is transferred through None of these induction process only. both A and B. conduction process only. None of these induction process only. both A and B. conduction process only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the above problem, find the induced voltage of an alternator of it is to deliver a load of 100 A at power factor of 0.8 lagging with terminal voltage of 200 V. 222 V. 230 V. 225 V. 220 V. 222 V. 230 V. 225 V. 220 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hopkinss test in DC motor is conducted at ? None of these. Full load. Low load. No load. None of these. Full load. Low load. No load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements is/are correct statements? EMF per turn in HV winding is more than EMF per turn in LV winding EMF per turn in both the windings are equal EMF per turn in HV winding is less than EMF per turn in LV winding All of these EMF per turn in HV winding is more than EMF per turn in LV winding EMF per turn in both the windings are equal EMF per turn in HV winding is less than EMF per turn in LV winding All of these ANSWER DOWNLOAD EXAMIANS APP