Electrical Machines Hysteresis loss will depends on f1.6 f³ f² f f1.6 f³ f² f ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC series generator, the terminal voltage with increase in load will decrease increase gradually and then stay at rated voltage remain nearly constant increase to rated voltage and then may decrease decrease increase gradually and then stay at rated voltage remain nearly constant increase to rated voltage and then may decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is critical, the power factor of the alternator is leading power factor. lagging power factor. None of these unity power factor. leading power factor. lagging power factor. None of these unity power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flux density under leading pole tips in case of generator will increase decrease None of these either increase or decrease increase decrease None of these either increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole dc generator is running at 1500 rpm the frequency of current in the armature winding is 150Hz. 200Hz. 100Hz. 50Hz. 150Hz. 200Hz. 100Hz. 50Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Neglecting all losses, the developed torque (T) of DC separately excited motor, operating under constant terminal voltage is reduced to its output power (P) as T2 ∝ P3. T ∝ √P. T ∝ P. T is independent of P. T2 ∝ P3. T ∝ √P. T ∝ P. T is independent of P. ANSWER DOWNLOAD EXAMIANS APP
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