Transformers By laminating the core of a transformer, we decrease _____ Eddy current loss Leakage reactance Hysteresis loss Copper loss Eddy current loss Leakage reactance Hysteresis loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 85% 75% 65% 95 % 85% 75% 65% 95 % 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 0.25 kVA 4 kVA 16 kVA 8 kVA 0.25 kVA 4 kVA 16 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Copper loss Eddy current loss Leakage reactance Iron losses Copper loss Eddy current loss Leakage reactance Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 load. The turns ratio is 3:1. What is the secondary voltage? 20 V 18 V 180 V 2 V 20 V 18 V 180 V 2 V ANSWER DOWNLOAD EXAMIANS APP
Transformers For the parallel operation of single phase transformers it is necessary that they should have same polarity same kVA rating same efficiency same number of turns on the secondary side. same polarity same kVA rating same efficiency same number of turns on the secondary side. ANSWER DOWNLOAD EXAMIANS APP
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