Electrical Machines The torque speed characteristics of a AC servomotor is approximately parabola any of the above linearised hyperbola parabola any of the above linearised hyperbola ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, which component plays the vital role to produce the direct current? Brush. Armature. Commutator. Yoke. Brush. Armature. Commutator. Yoke. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in the dc generator armature winding is AC AC and DC DC None of these AC AC and DC DC None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A commutator in dc machine provide ----------------- rectification? full wave controlled half wave half wave controlled full wave full wave controlled half wave half wave controlled full wave ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Poles of DC machine are often laminated to reduce iron weight. reduce armature reaction. reduce pulsation loss. dissipate more heat. reduce iron weight. reduce armature reaction. reduce pulsation loss. dissipate more heat. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The starting resistance of DC motor is generally Low. 1000 ohms. around 500 ohms. Infinitely large. Low. 1000 ohms. around 500 ohms. Infinitely large. ANSWER DOWNLOAD EXAMIANS APP
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