Transformers A no-load test is performed on a transformer to determine magnetising current copper loss efficiency core loss magnetising current and loss magnetising current copper loss efficiency core loss magnetising current and loss ANSWER DOWNLOAD EXAMIANS APP
Transformers For the parallel operation of single phase transformers it is necessary that they should have same efficiency same polarity same number of turns on the secondary side. same kVA rating same efficiency same polarity same number of turns on the secondary side. same kVA rating ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer transfers electrical energy from primary to secondary usually with a change in ______ Voltage Frequency Power Time period Voltage Frequency Power Time period ANSWER DOWNLOAD EXAMIANS APP
Transformers An isolation transformer has primary to secondady turns ratio of Can be any ratio 1:1 2:1 1:2 Can be any ratio 1:1 2:1 1:2 ANSWER DOWNLOAD EXAMIANS APP
Transformers Primary winding of a transformer could either be a low voltage or high voltage winding is always a high voltage winding None of these is always a low voltage winding could either be a low voltage or high voltage winding is always a high voltage winding None of these is always a low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is inductive only capacitive only None of these inductive or resistive inductive only capacitive only None of these inductive or resistive ANSWER DOWNLOAD EXAMIANS APP
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