Transformers In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of more than 15 A less than 15 A None of these 15 A more than 15 A less than 15 A None of these 15 A ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer provides _______ Much longer magnetic path Shorter magnetic path Lesser average length per turn None of the listed here Much longer magnetic path Shorter magnetic path Lesser average length per turn None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary leakage flux links _____ Secondary winding only None of the listed here Primary winding only Both primary and secondary windings Secondary winding only None of the listed here Primary winding only Both primary and secondary windings ANSWER DOWNLOAD EXAMIANS APP
Transformers When the secondary of a transformer is short circuited, the primary inductance _______ None of the listed here Is decreased Remians unchanged Is increased None of the listed here Is decreased Remians unchanged Is increased ANSWER DOWNLOAD EXAMIANS APP
Transformers The leakage flux in a transformer depends upon load current and voltage load current, voltage, frequency and power factor load current load current, voltage and frequency load current and voltage load current, voltage, frequency and power factor load current load current, voltage and frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers The voltage transformation ratio of a transformer is equal to the ratio of secondary induced e.m.f. to primary induced e.m.f. secondary terminal voltage to primary applied voltage primary turns to secondary turns secondary current to primary current secondary induced e.m.f. to primary induced e.m.f. secondary terminal voltage to primary applied voltage primary turns to secondary turns secondary current to primary current ANSWER DOWNLOAD EXAMIANS APP
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