Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Auto transformer Potential transformer Step-up transformer Current transformer Auto transformer Potential transformer Step-up transformer Current transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The eddy current loss in a transformer is directly proportional to _______. Square of thickness of core lamination Thickness of core lamination The flux density in the core The supply frequency Square of thickness of core lamination Thickness of core lamination The flux density in the core The supply frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer should never have the secondary open circuited while the primary is energised? Current transformer Potential transformer Power transformer Auto transformer Current transformer Potential transformer Power transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The power efficiency of a lightning transformer is always ______its all day efficiency. None of the listed here Equal to Less than Higher than None of the listed here Equal to Less than Higher than ANSWER DOWNLOAD EXAMIANS APP
Transformers Primary winding of a transformer is always a high voltage winding could either be a low voltage or high voltage winding is always a low voltage winding None of these is always a high voltage winding could either be a low voltage or high voltage winding is always a low voltage winding None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers The dielectric strength of transformer oil is expected to be 330 kV lkV 100 kV 33 kV 330 kV lkV 100 kV 33 kV ANSWER DOWNLOAD EXAMIANS APP
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