Transformers The power transformer is a constant Power device Voltage device Main flux device Current device Power device Voltage device Main flux device Current device ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer having ratings less than 5kVA are generally ______ None of the listed here Oil cooled Natural air cooled Water cooled None of the listed here Oil cooled Natural air cooled Water cooled 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 250 Ω 62500 Ω 6250 Ω 25 Ω 250 Ω 62500 Ω 6250 Ω ANSWER DOWNLOAD EXAMIANS APP
Transformers The dielectric strength of transformer oil is expected to be 100 kV lkV 330 kV 33 kV 100 kV lkV 330 kV 33 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers The amount of copper in the primary is _______that of secondary. None of the listed here Greater than About the same as Smaller than None of the listed here Greater than About the same as Smaller than ANSWER DOWNLOAD EXAMIANS APP
Transformers Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is approximately equal to one less than one great than one None of these approximately equal to one less than one great than one None of these ANSWER DOWNLOAD EXAMIANS APP
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