Transformers Sumpner's test is conducted on transformers to determine temperature stray losses all-day efficiency None of these temperature stray losses all-day efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers When secondary of a current transformer is open-circuited its iron core will be 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 hot because primary will carry heavy current ANSWER DOWNLOAD EXAMIANS APP
Transformers For the parallel operation of single phase transformers it is necessary that they should have same efficiency same polarity same number of turns on the secondary side. same kVA rating same efficiency same polarity same number of turns on the secondary side. same kVA rating ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiencies of transformers compared with that of electric motors of the same power are about the same somewhat smaller much smaller much higher about the same somewhat smaller much smaller much higher ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. None of the listed here Electrically and magnetically Magnetically Electrically None of the listed here Electrically and magnetically Magnetically Electrically ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is 0.4 25 0.2 5 0.4 25 0.2 5 ANSWER DOWNLOAD EXAMIANS APP
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