Transformers The open circuit test on a transformer is always made on ______ Either low or high voltage winding Low voltage winding High voltage winding None of the listed here Either low or high voltage winding Low voltage winding High voltage winding None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Efficiency of a power transformer is of the order of 50 per cent 98 per cent 25 per cent 100 per cent 50 per cent 98 per cent 25 per cent 100 per cent 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? 180 V 20 V 18 V 2 V 180 V 20 V 18 V 2 V ANSWER DOWNLOAD EXAMIANS APP
Transformers In the short circuit test on a transformer, we generally short circuit ______ None of the listed here Low voltage winding Either low or high voltage winding High voltage winding None of the listed here Low voltage winding Either low or high voltage winding High voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Zoom Boo Magnetostriction Hum Zoom Boo Magnetostriction Hum ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer will be maximum when ______ None of the listed here Leakage reactance of the two winding Resistance of the two winding are equal Copper loss is equal to constant loss None of the listed here Leakage reactance of the two winding Resistance of the two winding are equal Copper loss is equal to constant loss ANSWER DOWNLOAD EXAMIANS APP
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