Transformers The turns ratio required to match an 80 source to a 320 load is 80 2 20 4 80 2 20 4 ANSWER DOWNLOAD EXAMIANS APP
Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Current transformer Step-up transformer Potential transformer Auto transformer Current transformer Step-up transformer Potential transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 3-5% Above 40% 30-40% 15-30% 3-5% Above 40% 30-40% 15-30% ANSWER DOWNLOAD EXAMIANS APP
Transformers The power transformer is a constant Power device Main flux device Voltage device Current device Power device Main flux device Voltage device Current device ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine copper losses core losses hysteresis losses eddy current losses copper losses core losses hysteresis losses eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer transfers electrical energy from primary to secondary usually with a change in ______ Frequency Time period Voltage Power Frequency Time period Voltage Power ANSWER DOWNLOAD EXAMIANS APP
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