Electrical Machines Find the reactance voltage when current is changed from -2A to 2A in 4 sec and self inductance is 1H? 1 V 4 V 2 V 0 V 1 V 4 V 2 V 0 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following, voltage regulation may be zero or negative lagging power factor All of these leading power factor unity power factor lagging power factor All of these leading power factor unity power factor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The size of inter poles is small as compared to main poles. What is the reason? In order to not to get saturated. In order to get saturated. In order to get more flux. All of these In order to not to get saturated. In order to get saturated. In order to get more flux. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer oil is used as both A and B. inert medium. an insulator. a coolant. both A and B. inert medium. an insulator. a coolant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Why are capacitors used with large AC induction motor? Improve voltage level. Improve power factor. Improve current level. Improve power level. Improve voltage level. Improve power factor. Improve current level. Improve power level. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flux density under leading pole tips in case of generator will either increase or decrease increase decrease None of these either increase or decrease increase decrease None of these ANSWER DOWNLOAD EXAMIANS APP