Transformers The permissible flux density in case of cold rolled grain oriented steel is around 1.7 Wb/m² 3.7 Wb/m² 4.7 Wb/m² 2.7 Wb/m² 1.7 Wb/m² 3.7 Wb/m² 4.7 Wb/m² 2.7 Wb/m² ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer, leakage flux Is negligible at full load Produces mutually induced emf Is minimised by interleaving the primary and secondary windings Helps in transfer of energy Is negligible at full load Produces mutually induced emf Is minimised by interleaving the primary and secondary windings Helps in transfer of energy ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following parts of a transformer is visible from outside? Primary winding Bushings Core Secondary winding Primary winding Bushings Core Secondary winding ANSWER DOWNLOAD EXAMIANS APP
Transformers What kVA rating is required for a transformer that must handle a maximum load current of 8 A with a secondary voltage of 2 kV? 8 kVA 16 kVA 4 kVA 0.25 kVA 8 kVA 16 kVA 4 kVA 0.25 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because Uses inductive coupling A static device Uses capacitive coupling Uses electric coupling Uses inductive coupling A static device Uses capacitive coupling Uses electric coupling ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load on a transformer is carried out to determine magnetising current and loss magnetising current efficiency of the transformer copper loss magnetising current and loss magnetising current efficiency of the transformer copper loss ANSWER DOWNLOAD EXAMIANS APP
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