Transformers A transformer has 200 W as iron loss at full load. The iron loss at full load. The iron loss at half full load will be 100 W 50 W 400 W 200 W 100 W 50 W 400 W 200 W ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding in a transformer has more number of turns? High voltage winding Primary winding Low voltage winding Secondary winding High voltage winding Primary winding Low voltage winding Secondary winding ANSWER DOWNLOAD EXAMIANS APP
Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Auto transformer Current transformer Step-up transformer Potential transformer Auto transformer Current transformer Step-up transformer Potential transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The iron core is used to ______of the transformer. Reduce core loss Increase the wight None of the listed here Provide tight magnetic coupling Reduce core loss Increase the wight None of the listed here Provide tight magnetic coupling ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 75% 85% 65% 95 % 75% 85% 65% 95 % ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of cooling a power transformer is air blast cooling Any of these oil cooling natural air cooling air blast cooling Any of these oil cooling natural air cooling ANSWER DOWNLOAD EXAMIANS APP
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