Transformers When the secondary of a transformer is short circuited, the primary inductance _______ Remians unchanged Is increased None of the listed here Is decreased Remians unchanged Is increased None of the listed here Is decreased ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Glass fibre Mica Asbestos Cellulose Glass fibre Mica Asbestos Cellulose ANSWER DOWNLOAD EXAMIANS APP
Transformers In a power or distribution transformer about 10 per cent end turns are heavily insulated to reflect the line surge and save the winding of a transformer from damage to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns to absorb the line surge voltage and save the winding of transformer from damage None of these to reflect the line surge and save the winding of a transformer from damage to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns to absorb the line surge voltage and save the winding of transformer from damage None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test on transformers is conducted to determine eddy current losses copper losses hysteresis losses core losses eddy current losses copper losses hysteresis losses core losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. Magnetically None of the listed here Electrically and magnetically Electrically Magnetically None of the listed here Electrically and magnetically Electrically ANSWER DOWNLOAD EXAMIANS APP
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 20 A 5 A 10 A 15 A 20 A 5 A 10 A 15 A ANSWER DOWNLOAD EXAMIANS APP
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