Transformers The no load ratio of a 50 Hz single phase transformer is 6000/250 V. The maximum flux in the core is 0.06 Wb. What is the number of primary turns? 210 900 350 450 210 900 350 450 ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is inductive only inductive or resistive capacitive only None of these inductive only inductive or resistive capacitive only None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following property is not necessarily desirable in the material for transformer core? High thermal conductivity High permeability Mechanical strength Low hysteresis loss High thermal conductivity High permeability Mechanical strength Low hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test on transformers is conducted to determine copper losses hysteresis losses eddy current losses core losses copper losses hysteresis losses eddy current losses core losses ANSWER DOWNLOAD EXAMIANS APP
Transformers An open-circuit test on a transformer is conducted primarily to measure insulation resistance total loss copper loss core loss insulation resistance total loss copper loss core loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Material used for construction of transformer core is usually Aluminium Copper Silicon steel Wood Aluminium Copper Silicon steel Wood ANSWER DOWNLOAD EXAMIANS APP
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