Transformers The primary and secondary of a transformer are ______ coupled. Electrically and magnetically Magnetically None of the listed here Electrically Electrically and magnetically Magnetically None of the listed here Electrically ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following property is not necessarily desirable in the material for transformer core? High permeability Low hysteresis loss Mechanical strength High thermal conductivity High permeability Low hysteresis loss Mechanical strength High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Transformers The principle of working of transformer is Static induction Mutual induction Self induction Dynamic induction Static induction Mutual induction Self induction Dynamic induction ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer, leakage flux Is negligible at full load Produces mutually induced emf Is minimised by interleaving the primary and secondary windings Helps in transfer of energy Is negligible at full load Produces mutually induced emf Is minimised by interleaving the primary and secondary windings Helps in transfer of energy ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural air cooling is generally restricted for transformers up to 50 MVA 15 MVA 1.5 MVA 5 MVA 50 MVA 15 MVA 1.5 MVA 5 MVA ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is 25 5 0.4 0.2 25 5 0.4 0.2 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS