Transformers A no-load test is performed on a transformer to determine efficiency copper loss magnetising current and loss core loss magnetising current efficiency copper loss magnetising current and loss core loss magnetising current ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum load that a power transformer can carry is limited by its copper loss dielectric strength of oil voltage ratio temperature rise copper loss dielectric strength of oil voltage ratio temperature rise ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise produced by a transformer is termed as zoom ringing buzz hum zoom ringing buzz hum ANSWER DOWNLOAD EXAMIANS APP
Transformers To step 110 V ac down to 20 V ac, the turns ratio must be 0.018 0.18 18 5.5 0.018 0.18 18 5.5 ANSWER DOWNLOAD EXAMIANS APP
Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Step-up transformer Auto transformer Potential transformer Current transformer Step-up transformer Auto transformer Potential transformer Current transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The short circuit test helps us to find Cu loss at any desire load Iron loss at no load None of the listed here Cu loss at no load Cu loss at any desire load Iron loss at no load None of the listed here Cu loss at no load ANSWER DOWNLOAD EXAMIANS APP