Transformers The eddy current loss in a transformer is directly proportional to _______. The supply frequency Thickness of core lamination The flux density in the core Square of thickness of core lamination The supply frequency Thickness of core lamination The flux density in the core Square of thickness of core lamination ANSWER DOWNLOAD EXAMIANS APP
Transformers To step 110 V ac down to 20 V ac, the turns ratio must be 5.5 0.018 18 0.18 5.5 0.018 18 0.18 ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which _______ None of the listed here Has same number of primary and secondary turns Does not work Has no losses and leakage reactance None of the listed here Has same number of primary and secondary turns Does not work Has no losses and leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers The winding of the transformer with greater number of turns will be _____ High voltage winding Either high or low voltage winding None of the listed here Low voltage winding High voltage winding Either high or low voltage winding None of the listed here Low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is less than one None of these approximately equal to one great than one less than one None of these approximately equal to one great than one ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer provides _______ Shorter magnetic path Lesser average length per turn Much longer magnetic path None of the listed here Shorter magnetic path Lesser average length per turn Much longer magnetic path None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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