Transformers When load on a transformer is decreased, ______loss is decreased Copper Eddy current Hysteresis Friction Copper Eddy current Hysteresis Friction ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding of the transformer has less cross-sectional area? Secondary winding High voltage winding Low voltage winding Primary winding Secondary winding High voltage winding Low voltage winding Primary winding ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 65% 85% 75% 95 % 65% 85% 75% 95 % 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? 2 V 18 V 20 V 180 V 2 V 18 V 20 V 180 V 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? 4 kVA 8 kVA 0.25 kVA 16 kVA 4 kVA 8 kVA 0.25 kVA 16 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformers to determine all-day efficiency None of these stray losses temperature all-day efficiency None of these stray losses temperature ANSWER DOWNLOAD EXAMIANS APP
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