Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Copper losses Winding resistance Leakage reactance Iron losses Copper losses Winding resistance Leakage reactance Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Two things which are same for primary and secondary of transformer are ______ Resistance and leakage reactances None of the listed here Ampere turns and voltage per turns Currents and induced voltages Resistance and leakage reactances None of the listed here Ampere turns and voltage per turns Currents and induced voltages ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because Uses capacitive coupling Uses inductive coupling Uses electric coupling A static device Uses capacitive coupling Uses inductive coupling Uses electric coupling A static device ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer, leakage flux Produces mutually induced emf Is negligible at full load Helps in transfer of energy Is minimised by interleaving the primary and secondary windings Produces mutually induced emf Is negligible at full load Helps in transfer of energy Is minimised by interleaving the primary and secondary windings ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Zoom Boo Magnetostriction Hum Zoom Boo Magnetostriction Hum ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine magnetising current and loss copper loss magnetising current core loss efficiency magnetising current and loss copper loss magnetising current core loss efficiency ANSWER DOWNLOAD EXAMIANS APP