Transformers The open circuit test on a transformer gives _______ Friction losses Copper losses Total losses Iron losses Friction losses Copper losses Total losses Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load on a transformer is carried out to determine magnetising current efficiency of the transformer magnetising current and loss copper loss magnetising current efficiency of the transformer magnetising current and loss copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Power transformers are generally designed to have maximum efficiency around half-load 10% overload no-load near full-load half-load 10% overload no-load near full-load ANSWER DOWNLOAD EXAMIANS APP
Transformers The amount of copper in the primary is _______that of secondary. About the same as Greater than Smaller than None of the listed here About the same as Greater than Smaller than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The hum in a transformer is mainly attributed to magnetostriction mechanical vibrations load changes oil in the transformer magnetostriction mechanical vibrations load changes oil in the transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers When the secondary of a transformer is short circuited, the primary inductance _______ Is decreased None of the listed here Remians unchanged Is increased Is decreased None of the listed here Remians unchanged Is increased ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS