Transformers The main reason for generation of harmonics in a transformer could be fluctuating load saturation of core mechanical vibrations poor insulation fluctuating load saturation of core mechanical vibrations poor insulation ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has a turns ratio of 1 and a 0.85 coefficient of coupling. When 2 V ac is applied to the primary, the secondary voltage is 1 V 0 V 1.7 V 0.85 V 1 V 0 V 1.7 V 0.85 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding of the transformer has less cross-sectional area? High voltage winding Secondary winding Primary winding Low voltage winding High voltage winding Secondary winding Primary winding Low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers upto a rating of 3000 kVA 250 kVA 1000 kVA 500 kVA 3000 kVA 250 kVA 1000 kVA 500 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Leakage reactance Copper losses Winding resistance Iron losses Leakage reactance Copper losses Winding resistance Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the energy is conveyed from primary to secondary by the flux through cooling coil None of these through air by the flux through cooling coil None of these through air ANSWER DOWNLOAD EXAMIANS APP
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