Transformers Losses which occur in rotating electric machines and do not occur in trans formers are hysteresis and eddy current losses magnetic losses copper losses friction and windage losses hysteresis and eddy current losses magnetic losses copper losses friction and windage losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The leakage flux in a transformer depends upon load current and voltage load current, voltage and frequency load current, voltage, frequency and power factor load current load current and voltage load current, voltage and frequency load current, voltage, frequency and power factor load current ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is inductive or resistive None of these inductive only capacitive only inductive or resistive None of these inductive only capacitive only ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. Electrically and magnetically Magnetically Electrically None of the listed here Electrically and magnetically Magnetically Electrically None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The flux in the core of a single phase transformer is _____ None of the listed here Purely rotating one Partly alternating and partly rotating Purely alternating one None of the listed here Purely rotating one Partly alternating and partly rotating Purely alternating one ANSWER DOWNLOAD EXAMIANS APP
Transformers The permissible flux density in case of cold rolled grain oriented steel is around 4.7 Wb/m² 2.7 Wb/m² 3.7 Wb/m² 1.7 Wb/m² 4.7 Wb/m² 2.7 Wb/m² 3.7 Wb/m² 1.7 Wb/m² ANSWER DOWNLOAD EXAMIANS APP
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