Transformers Which of the following parts of a transformer is visible from outside? Secondary winding Bushings Core Primary winding Secondary winding Bushings Core Primary winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Material used for construction of transformer core is usually Aluminium Silicon steel Copper Wood Aluminium Silicon steel Copper Wood ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer provides _______ Shorter magnetic path None of the listed here Lesser average length per turn Much longer magnetic path Shorter magnetic path None of the listed here Lesser average length per turn Much longer magnetic path ANSWER DOWNLOAD EXAMIANS APP
Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Potential transformer Auto transformer Current transformer Step-up transformer Potential transformer Auto transformer Current transformer Step-up transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has a turns ratio of 1 and a 0.85 coefficient of coupling. When 2 V ac is applied to the primary, the secondary voltage is 0.85 V 0 V 1 V 1.7 V 0.85 V 0 V 1 V 1.7 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its None of the listed here Power efficiency Energy efficiency Current efficiency None of the listed here Power efficiency Energy efficiency Current efficiency ANSWER DOWNLOAD EXAMIANS APP
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