Transformers If 25 W of power are applied to the primary of an ideal transformer with a turns ratio of 10, the power delivered to the secondary load is 2.5 W 25 W 250 W 0 W 2.5 W 25 W 250 W 0 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual flux in a transformer remains constant at all loads because ______ Leakage flux is small Losses are small Iron core is used Applied voltage and frequency are constant Leakage flux is small Losses are small Iron core is used Applied voltage and frequency are constant ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding in a transformer has more number of turns? Primary winding Low voltage winding Secondary winding High voltage winding Primary winding Low voltage winding Secondary winding High voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The highest voltage for transmitting electrical power in india is 33 kV 400 kV 66 kV 132 kV 33 kV 400 kV 66 kV 132 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers The eddy current loss in a transformer is directly proportional to _______. Thickness of core lamination The supply frequency The flux density in the core Square of thickness of core lamination Thickness of core lamination The supply frequency The flux density in the core Square of thickness of core lamination ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has a 1:6 turns ratio and a secondary coil load resistance of 470 . The load resistance as seen by the source is 1.3 Ω 78 Ω 13 Ω 7.8 Ω 1.3 Ω 78 Ω 13 Ω 7.8 Ω ANSWER DOWNLOAD EXAMIANS APP