Transformers When the secondary of a transformer is short circuited, the primary inductance _______ Remians unchanged Is decreased Is increased None of the listed here Remians unchanged Is decreased Is increased None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The dielectric strength of transformer oil is expected to be 100 kV 330 kV 33 kV lkV 100 kV 330 kV 33 kV lkV ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer gives _______ Friction losses Copper losses Iron losses Total losses Friction losses Copper losses Iron losses Total losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The permissible flux density in case of cold rolled grain oriented steel is around 1.7 Wb/m² 4.7 Wb/m² 2.7 Wb/m² 3.7 Wb/m² 1.7 Wb/m² 4.7 Wb/m² 2.7 Wb/m² 3.7 Wb/m² ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. None of the listed here Magnetically Electrically Electrically and magnetically None of the listed here Magnetically Electrically Electrically and magnetically ANSWER DOWNLOAD EXAMIANS APP
Transformers The secondary of a current transformer is always short-circuited under operating conditions because it is safe to human beings avoids core saturation and high voltage induction None of these protects the primary circuit is safe to human beings avoids core saturation and high voltage induction None of these protects the primary circuit ANSWER DOWNLOAD EXAMIANS APP
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