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 A step up transformer increases Voltage Power Current Frequency Voltage Power Current Frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer operates poorly at very low frequencies because _____ Magnetising current is abnormally high None of the listed here Primary reactance is too much increased Permeability of core is increased Magnetising current is abnormally high None of the listed here Primary reactance is too much increased Permeability of core is increased 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 ? 250 Ω 25 Ω 6250 Ω 62500 Ω 250 Ω 25 Ω 6250 Ω 62500 Ω ANSWER DOWNLOAD EXAMIANS APP
Transformers The highest voltage for transmitting electrical power in india is 33 kV 66 kV 132 kV 400 kV 33 kV 66 kV 132 kV 400 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding of the transformer has less cross-sectional area? Primary winding Low voltage winding High voltage winding Secondary winding Primary winding Low voltage winding High voltage winding Secondary winding ANSWER DOWNLOAD EXAMIANS APP
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