Electrical Machines A 3 phase stepper motor has 6 stator poles and 4 rotor poles, then find the step angle? 45° 60° 30° 10° 45° 60° 30° 10° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the speed of a dc motor increases with load torque, then it is a series motor differentially compounded motor comulatively compounded motor permanent magnet motor series motor differentially compounded motor comulatively compounded motor permanent magnet motor 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 6 V 234 V 474 V 240 V 6 V 234 V 474 V 240 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Total core loss is also called as -------------? Hysteresis loss Magnetic loss Copper loss Eddy current loss Hysteresis loss Magnetic loss Copper loss Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The function of field regulator in a DC compound motor is to none of above. limit the armature current. control field current. vary the armature resistance. none of above. limit the armature current. control field current. vary the armature resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If dimension of all the parts of a synchorous generator and the number of field and armature turns are double, then generated voltage will change by a factor of 2. 8. 4. 1. 2. 8. 4. 1. ANSWER DOWNLOAD EXAMIANS APP