Transformers To step 110 V ac down to 20 V ac, the turns ratio must be 0.18 18 5.5 0.018 0.18 18 5.5 0.018 ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is ______ the commercial efficiency. None of the listed here More than Less than The same as None of the listed here More than Less than The same as ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiencies of transformers compared with that of electric motors of the same power are somewhat smaller about the same much higher much smaller somewhat smaller about the same much higher much smaller ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test of a transformer helps us to find its Iron loss None of the listed here Cu loss at no load Full load cu loss Iron loss None of the listed here Cu loss at no load Full load cu loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The permissible flux density in case of cold rolled grain oriented steel is around 3.7 Wb/m² 4.7 Wb/m² 1.7 Wb/m² 2.7 Wb/m² 3.7 Wb/m² 4.7 Wb/m² 1.7 Wb/m² 2.7 Wb/m² ANSWER DOWNLOAD EXAMIANS APP
Transformers How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 9 V? 0.9 V 90 V 900 V 9 V 0.9 V 90 V 900 V 9 V ANSWER DOWNLOAD EXAMIANS APP
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