Electrical Machines If input of a transformer is square wave the output will be square wave. triangular wave. sine wave. pulsed wave. square wave. triangular wave. sine wave. pulsed wave. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine, the demagnetizing effect of armature reaction is due to component of armature mmf along field axis non-sinusoidal nature of armature mmf magnetic saturation in half of the field pole uneven air-gap length component of armature mmf along field axis non-sinusoidal nature of armature mmf magnetic saturation in half of the field pole uneven air-gap length ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in DC generators will result in reduction in generated emf. short circuit. increase in slip. open circuit. reduction in generated emf. short circuit. increase in slip. open circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In normal dc machines operating at full-load conditions, the most powerful electromagnet is interpole and compensating windings together field winding interpole winding armature winding interpole and compensating windings together field winding interpole winding armature winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Poles of DC machine are often laminated to reduce iron weight. reduce pulsation loss. dissipate more heat. reduce armature reaction. reduce iron weight. reduce pulsation loss. dissipate more heat. reduce armature reaction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC motor under constant terminal voltage what is the relation between torque (Te) and power (P) T∝ P T is independent of P T∝ P² T∝ P³ T∝ P T is independent of P T∝ P² T∝ P³ ANSWER DOWNLOAD EXAMIANS APP
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