Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 88 V 8,800 V 8.8 V 880 V 88 V 8,800 V 8.8 V 880 V ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of cooling a power transformer is Any of these air blast cooling oil cooling natural air cooling Any of these air blast cooling oil cooling natural air cooling ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer is always made on ______ None of the listed here Either low or high voltage winding High voltage winding Low voltage winding None of the listed here Either low or high voltage winding High voltage winding Low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is 2,400 V 120 V 12 V 240 V 2,400 V 120 V 12 V 240 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is the main advantage of an auto-transformer over a two winding transformer? Copper losses are negligible Eddy losses are totally eliminated Hysteresis losses are reduced Saving in winding material Copper losses are negligible Eddy losses are totally eliminated Hysteresis losses are reduced Saving in winding material ANSWER DOWNLOAD EXAMIANS APP
Transformers The highest voltage for transmitting electrical power in india is 33 kV 400 kV 66 kV 132 kV 33 kV 400 kV 66 kV 132 kV ANSWER DOWNLOAD EXAMIANS APP
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