Transformers When secondary of a current transformer is open-circuited its iron core will be hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current hot because primary will carry heavy current none of above will happen hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current hot because primary will carry heavy current none of above will happen ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is inductive or resistive inductive only capacitive only None of these inductive or resistive inductive only capacitive only None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which _______ Has no losses and leakage reactance Does not work None of the listed here Has same number of primary and secondary turns Has no losses and leakage reactance Does not work None of the listed here Has same number of primary and secondary turns ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 8.8 V 88 V 8,800 V 880 V 8.8 V 88 V 8,800 V 880 V ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load current of a transformer has has high magnitude and low power factor has high magnitude and high power factor has small magnitude and high power factor has small magnitude and low power factor has high magnitude and low power factor has high magnitude and high power factor has small magnitude and high power factor has small magnitude and low power factor ANSWER DOWNLOAD EXAMIANS APP
Transformers By laminating the core of a transformer, we decrease _____ Hysteresis loss Eddy current loss Copper loss Leakage reactance Hysteresis loss Eddy current loss Copper loss Leakage reactance ANSWER DOWNLOAD EXAMIANS APP