Transformers Losses which occur in rotating electric machines and do not occur in trans formers are friction and windage losses magnetic losses hysteresis and eddy current losses copper losses friction and windage losses magnetic losses hysteresis and eddy current losses copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Eddy current loss Iron losses Leakage reactance Copper loss Eddy current loss Iron losses Leakage reactance Copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its Current efficiency None of the listed here Energy efficiency Power efficiency Current efficiency None of the listed here Energy efficiency Power efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding in a transformer has more number of turns? High voltage winding Low voltage winding Secondary winding Primary winding High voltage winding Low voltage winding Secondary winding Primary winding ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because A static device Uses electric coupling Uses inductive coupling Uses capacitive coupling A static device Uses electric coupling Uses inductive coupling Uses capacitive coupling ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of cooling a power transformer is natural air cooling Any of these oil cooling air blast cooling natural air cooling Any of these oil cooling air blast cooling ANSWER DOWNLOAD EXAMIANS APP
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