Transformers The iron core is used to ______of the transformer. Increase the wight None of the listed here Reduce core loss Provide tight magnetic coupling Increase the wight None of the listed here Reduce core loss Provide tight magnetic coupling ANSWER DOWNLOAD EXAMIANS APP
Transformers In an auto transformer, the primary and secondary are _____ coupled. Only magnetically Magnetically as well as electrically Only electrically None of the listed here Only magnetically Magnetically as well as electrically Only electrically None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer provides _______ Lesser average length per turn Shorter magnetic path None of the listed here Much longer magnetic path Lesser average length per turn Shorter magnetic path None of the listed here Much longer magnetic path ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is the main advantage of an auto-transformer over a two winding transformer? Eddy losses are totally eliminated Saving in winding material Hysteresis losses are reduced Copper losses are negligible Eddy losses are totally eliminated Saving in winding material Hysteresis losses are reduced Copper losses are negligible ANSWER DOWNLOAD EXAMIANS APP
Transformers Burden of a current transformer is usually expressed in Amperes Kilowatt Volts Volt amperes Amperes Kilowatt Volts Volt amperes ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test on transformers is conducted to determine hysteresis losses eddy current losses core losses copper losses hysteresis losses eddy current losses core losses copper losses ANSWER DOWNLOAD EXAMIANS APP
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