Transformers Losses which occur in rotating electric machines and do not occur in trans formers are copper losses hysteresis and eddy current losses magnetic losses friction and windage losses copper losses hysteresis and eddy current losses magnetic losses friction and windage losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer breaths in when None of these load on it decreases load on it increases load remains constant None of these load on it decreases load on it increases load remains constant ANSWER DOWNLOAD EXAMIANS APP
Transformers In the short circuit test on a transformer, we generally short circuit ______ Low voltage winding Either low or high voltage winding None of the listed here High voltage winding Low voltage winding Either low or high voltage winding None of the listed here High voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The flux in the core of a single phase transformer is _____ Partly alternating and partly rotating Purely alternating one Purely rotating one None of the listed here Partly alternating and partly rotating Purely alternating one Purely rotating one None of the listed here 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 low power factor has small magnitude and high power factor has high magnitude and low power factor has high magnitude and high power factor has small magnitude and low power factor has small magnitude and high power factor ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 load. The turns ratio is 3:1. What is the secondary voltage? 180 V 20 V 2 V 18 V 180 V 20 V 2 V 18 V ANSWER DOWNLOAD EXAMIANS APP