Electrical Machines Eg (generated emf) and Eb (back emf) both are none of above. same. different. changes. none of above. same. different. changes. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, which component plays the vital role to produce the direct current? Armature. Brush. Yoke. Commutator. Armature. Brush. Yoke. Commutator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine torque is proportional to which of the following? both A and B None of these flux(φ) armature current(Ia) both A and B None of these flux(φ) armature current(Ia) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The DC compound motors are generally Level Compound. Differentical compound. None of these. Cummulative compound. Level Compound. Differentical compound. None of these. Cummulative compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors are suitable for computer printer drive ? Stepper motor. Hysteresis motor. Reluctance motor. Shaded pole motor. Stepper motor. Hysteresis motor. Reluctance motor. Shaded pole motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a DC motor is connected across the AC supply it will Not run. Burn. Run at normal speed. Run at lower speed. Not run. Burn. Run at normal speed. Run at lower speed. ANSWER DOWNLOAD EXAMIANS APP