Transformers Which of the following 3 phase connections of transformer create disturbances in communication systems Delta/Star Delta/Delta Star/Star Star/Delta Delta/Star Delta/Delta Star/Star Star/Delta ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine magnetising current and loss copper loss magnetising current efficiency core loss magnetising current and loss copper loss magnetising current efficiency core loss ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer does not posses ______changing property. Voltage Impedance Power Current Voltage Impedance Power Current ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformers to determine None of these temperature stray losses all-day efficiency None of these temperature stray losses all-day efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers When the secondary of a transformer is short circuited, the primary inductance _______ None of the listed here Is increased Is decreased Remians unchanged None of the listed here Is increased Is decreased Remians unchanged ANSWER DOWNLOAD EXAMIANS APP
Transformers The voltage transformation ratio of a transformer is equal to the ratio of primary turns to secondary turns secondary current to primary current secondary terminal voltage to primary applied voltage secondary induced e.m.f. to primary induced e.m.f. primary turns to secondary turns secondary current to primary current secondary terminal voltage to primary applied voltage secondary induced e.m.f. to primary induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP
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