Transformers In a certain loaded transformer, the secondary voltage is one-fourth the primary voltage. The secondary current is four times the primary current equal to the primary current one-fourth the primary current and equal to the primary current one-fourth the primary current four times the primary current equal to the primary current one-fourth the primary current and equal to the primary current one-fourth the primary current 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 13 Ω 7.8 Ω 78 Ω 1.3 Ω 13 Ω 7.8 Ω 78 Ω ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will have zero efficiency at Full load Half full load None of the listed here No load Full load Half full load None of the listed here No load ANSWER DOWNLOAD EXAMIANS APP
Transformers For the parallel operation of single phase transformers it is necessary that they should have same polarity same number of turns on the secondary side. same efficiency same kVA rating same polarity same number of turns on the secondary side. same efficiency same kVA rating ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural air cooling is generally restricted for transformers up to 50 MVA 1.5 MVA 5 MVA 15 MVA 50 MVA 1.5 MVA 5 MVA 15 MVA ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the energy is conveyed from primary to secondary through air through cooling coil None of these by the flux through air through cooling coil None of these by the flux ANSWER DOWNLOAD EXAMIANS APP