Electrical Machines For a DC Motor for constant load torque, what will happen to the armature current if armature resistance increases? Increases. None of above. Decreases. Remain unchanged Increases. None of above. Decreases. Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A flat compound generator is obtained from compound generator by connecting a variable resistor in parallel with the shunt field in series with the shunt field in series with the series field in parallel with the series field in parallel with the shunt field in series with the shunt field in series with the series field in parallel with the series field ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous generator, inverted V curve is drawn between field current on Y-axis and power factor on X-axis field current on X-axis and armature current on Y-axis field current on X-axis and power factor on Y-axis field current on Y-axis and armature current on X-axis field current on Y-axis and power factor on X-axis field current on X-axis and armature current on Y-axis field current on X-axis and power factor on Y-axis field current on Y-axis and armature current on X-axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A delta/star transformer is connected in parallel to a star/delta transformer. The turn ratio former is x times latter, the x is 1/3 √3 1/√3 3 1/3 √3 1/√3 3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the reactance voltage when current is changed from -2A to 2A in 4 sec and self inductance is 1H? 1 V 0 V 4 V 2 V 1 V 0 V 4 V 2 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of an induction motor operating at no load will have a value around 0.2 lag 0.2 lead 0.9 lag unity 0.2 lag 0.2 lead 0.9 lag unity ANSWER DOWNLOAD EXAMIANS APP
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