Transformers The output current corresponding to the maximum efficiency for a transformer having core loss of 200 W and equivalent resistance referred to secondary of 0.5 Ω is 15 A 20 A 5 A 10 A 15 A 20 A 5 A 10 A ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Leakage reactance Copper losses Iron losses Winding resistance Leakage reactance Copper losses Iron losses Winding resistance ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer provides _______ 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 Shorter magnetic path ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer does not posses ______changing property. Voltage Impedance Current Power Voltage Impedance Current Power ANSWER DOWNLOAD EXAMIANS APP
Transformers When the secondary of a transformer is short circuited, the primary inductance _______ None of the listed here Is increased Remians unchanged Is decreased None of the listed here Is increased Remians unchanged Is decreased ANSWER DOWNLOAD EXAMIANS APP
Transformers Power transformers are generally designed to have maximum efficiency around half-load no-load 10% overload near full-load half-load no-load 10% overload near full-load ANSWER DOWNLOAD EXAMIANS APP
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