Transformers Transformer breaths in when load on it decreases load on it increases load remains constant None of these load on it decreases load on it increases load remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers When secondary of a current transformer is open-circuited its iron core will be hot because primary will carry heavy current cool as there is no secondary current hot because of heavy iron losses taking place in it due to high flux density none of above will happen hot because primary will carry heavy current cool as there is no secondary current hot because of heavy iron losses taking place in it due to high flux density none of above will happen ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. Electrically and magnetically Electrically Magnetically None of the listed here Electrically and magnetically Electrically Magnetically None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load ratio of a 50 Hz single phase transformer is 6000/250 V. The maximum flux in the core is 0.06 Wb. What is the number of primary turns? 350 210 450 900 350 210 450 900 ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer will be maximum when ______ Leakage reactance of the two winding Resistance of the two winding are equal Copper loss is equal to constant loss None of the listed here Leakage reactance of the two winding Resistance of the two winding are equal Copper loss is equal to constant loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will have zero efficiency at None of the listed here Full load No load Half full load None of the listed here Full load No load Half full load ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS