Transformers The short circuit test helps us to find Cu loss at any desire load Iron loss at no load None of the listed here Cu loss at no load Cu loss at any desire load Iron loss at no load None of the listed here Cu loss at no load ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is the main advantage of an auto-transformer over a two winding transformer? Hysteresis losses are reduced Eddy losses are totally eliminated Copper losses are negligible Saving in winding material Hysteresis losses are reduced Eddy losses are totally eliminated Copper losses are negligible Saving in winding material ANSWER DOWNLOAD EXAMIANS APP
Transformers Harmonics in transformer result in magnetic interference with communication circuits increased core losses All of the listed here increased I2R losses magnetic interference with communication circuits increased core losses All of the listed here increased I2R losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is ______ the commercial efficiency. None of the listed here Less than The same as More than None of the listed here Less than The same as More than ANSWER DOWNLOAD EXAMIANS APP
Transformers Leakage flux in a transformer occurs because Iron core has high permeability Air is not a good magnetic insulator Transformer is not an efficient device Applied voltage is sinusoidal Iron core has high permeability Air is not a good magnetic insulator Transformer is not an efficient device Applied voltage is sinusoidal ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual flux in a transformer remains constant at all loads because ______ 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 Leakage flux is small ANSWER DOWNLOAD EXAMIANS APP
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