Transformers A step up transformer increases Power Frequency Current Voltage Power Frequency Current Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. None of the listed here 200 W 400 W 100 W None of the listed here 200 W 400 W 100 W ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is increased, the eddy current _____ Is increased None of the listed here Remains unchanged Is decreased Is increased None of the listed here Remains unchanged Is decreased ANSWER DOWNLOAD EXAMIANS APP
Transformers The steel used for transformer core has High permeability All of the listed here Low hysteresis loss High silicon content High permeability All of the listed here Low hysteresis loss High silicon content ANSWER DOWNLOAD EXAMIANS APP
Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Auto transformer Potential transformer Step-up transformer Current transformer Auto transformer Potential transformer Step-up transformer Current transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer having ratings less than 5kVA are generally ______ Natural air cooled None of the listed here Oil cooled Water cooled Natural air cooled None of the listed here Oil cooled Water cooled ANSWER DOWNLOAD EXAMIANS APP
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