Transformers The maximum flux produced in the core of a transformer is ______ None of the listed here Inversely proportional to supply frequency Directly proportional to supply frequency Inversely proportional to primary voltage None of the listed here Inversely proportional to supply frequency Directly proportional to supply frequency Inversely proportional to primary voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers A Buchholz relay can be installed on Auto transformer Oil cooled transformer Air-cooled transformer Welding transformer Auto transformer Oil cooled transformer Air-cooled transformer Welding transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load on a transformer is carried out to determine efficiency of the transformer magnetising current and loss copper loss magnetising current efficiency of the transformer magnetising current and loss copper loss magnetising current ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Voltage Current Power Frequency Voltage Current Power Frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following property is not necessarily desirable in the material for transformer core? Low hysteresis loss Mechanical strength High thermal conductivity High permeability Low hysteresis loss Mechanical strength High thermal conductivity High permeability ANSWER DOWNLOAD EXAMIANS APP
Transformers The amount of copper in the primary is _______that of secondary. About the same as Smaller than Greater than None of the listed here About the same as Smaller than Greater than None of the listed here ANSWER DOWNLOAD EXAMIANS APP