Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 8,800 V 8.8 V 88 V 880 V 8,800 V 8.8 V 88 V 880 V ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Power factor of load Load current Both power factor and load current Supply frequency Power factor of load Load current Both power factor and load current Supply frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Frequency Power Voltage Current Frequency Power Voltage Current ANSWER DOWNLOAD EXAMIANS APP
Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Auto transformer Current transformer Voltage transformer Power transformer Auto transformer Current transformer Voltage transformer Power transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Step-up transformer Potential transformer Auto transformer Current transformer Step-up transformer Potential transformer Auto transformer Current transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers An open-circuit test on a transformer is conducted primarily to measure insulation resistance total loss copper loss core loss insulation resistance total loss copper loss core loss ANSWER DOWNLOAD EXAMIANS APP