Electrical Machines In a lap winding dc machine number of conductors are 100 and number of parallel paths are 10. Find the average pitch 10 100 50 1 10 100 50 1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine torque is proportional to which of the following? None of these both A and B armature current(Ia) flux(φ) None of these both A and B armature current(Ia) flux(φ) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor the 7th harmonic torque may make the motor rotate at (1 / 7)th synchronous speed. This is called cogging. resonance. crawling. harmonics. cogging. resonance. crawling. harmonics. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque angle, in a synchronous motor, is the angle between the supply voltage and the back emf. magnetizing electric current and back emf. the rotating stator flux and rotor flux. None of these the supply voltage and the back emf. magnetizing electric current and back emf. the rotating stator flux and rotor flux. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, electric current to the external circuit from armature is given through commutator. slip rings. solid connection. none of above. commutator. slip rings. solid connection. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward-Leonard system for controlling the speed of a DC motor is used where Very fine speed control over the whole range from zero to normal speed is required. All of above. The speed in both the direction is required. The accuracy in speed control is required. Very fine speed control over the whole range from zero to normal speed is required. All of above. The speed in both the direction is required. The accuracy in speed control is required. ANSWER DOWNLOAD EXAMIANS APP
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