Transformers The all day efficiency of a transformer is also called its Power efficiency Energy efficiency Current efficiency None of the listed here Power efficiency Energy efficiency Current efficiency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 4 μH 2 μH 8 μH 2 mH 4 μH 2 μH 8 μH 2 mH ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary leakage flux links _____ None of the listed here Secondary winding only Primary winding only Both primary and secondary windings None of the listed here Secondary winding only Primary winding only Both primary and secondary windings ANSWER DOWNLOAD EXAMIANS APP
Transformers Losses which occur in rotating electric machines and do not occur in trans formers are copper losses magnetic losses hysteresis and eddy current losses friction and windage losses copper losses magnetic losses hysteresis and eddy current losses friction and windage losses ANSWER DOWNLOAD EXAMIANS APP
Transformers If a transformer has 50 turns in the primary winding and 10 turns in the secondary winding, what is the reflective resistance if the secondary load resistance is 250 ? 25 Ω 6250 Ω 250 Ω 62500 Ω 25 Ω 6250 Ω 250 Ω 62500 Ω ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of cooling a power transformer is natural air cooling air blast cooling Any of these oil cooling natural air cooling air blast cooling Any of these oil cooling ANSWER DOWNLOAD EXAMIANS APP
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