Transformers When secondary of a current transformer is open-circuited its iron core will be none of above will happen hot because primary will carry heavy current hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current none of above will happen hot because primary will carry heavy current hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary leakage flux links _____ Primary winding only Both primary and secondary windings Secondary winding only None of the listed here Primary winding only Both primary and secondary windings Secondary winding only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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 15 A less than 15 A more than 15 A None of these 15 A less than 15 A more than 15 A None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers Harmonics in transformer result in increased core losses magnetic interference with communication circuits increased I2R losses All of the listed here increased core losses magnetic interference with communication circuits increased I2R losses All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer breaths in when None of these load remains constant load on it increases load on it decreases None of these load remains constant load on it increases load on it decreases ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural air cooling is generally restricted for transformers up to 50 MVA 1.5 MVA 15 MVA 5 MVA 50 MVA 1.5 MVA 15 MVA 5 MVA ANSWER DOWNLOAD EXAMIANS APP
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