Transformers The mutual flux in a transformer remains constant at all loads because ______ Losses are small Applied voltage and frequency are constant Iron core is used Leakage flux is small Losses are small Applied voltage and frequency are constant Iron core is used Leakage flux is small ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding in a transformer has more number of turns? High voltage winding Primary winding Low voltage winding Secondary winding High voltage winding Primary winding Low voltage winding Secondary winding ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer, leakage flux 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 Is negligible at full load ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine efficiency magnetising current and loss magnetising current core loss copper loss efficiency magnetising current and loss magnetising current core loss copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of colling a power transformer is Air blast cooling Natural air cooling Oil cooling Any of the listed here Air blast cooling Natural air cooling Oil cooling Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Which type of winding is used in 3phase shell-type transformer? Sandwich type Rectangular type Circular type Cylindrical type Sandwich type Rectangular type Circular type Cylindrical type ANSWER DOWNLOAD EXAMIANS APP