Transformers The flux in the core of a single phase transformer is _____ Purely rotating one Purely alternating one Partly alternating and partly rotating None of the listed here Purely rotating one Purely alternating one Partly alternating and partly rotating None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer is always made on ______ Either low or high voltage winding None of the listed here High voltage winding Low voltage winding Either low or high voltage winding None of the listed here High voltage winding Low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The approximate efficiency of a large transformer is 95% 65% 50% 80% 95% 65% 50% 80% ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is 0.2 5 25 0.4 0.2 5 25 0.4 ANSWER DOWNLOAD EXAMIANS APP
Transformers Distribution transformers are generally designed for maximum efficiency around 90% load 25% load 50% load Zero load 90% load 25% load 50% load Zero load ANSWER DOWNLOAD EXAMIANS APP
Transformers The power efficiency of a lightning transformer is always ______its all day efficiency. Higher than Less than Equal to None of the listed here Higher than Less than Equal to None of the listed here ANSWER DOWNLOAD EXAMIANS APP