Transformers The flux in the core of a single phase transformer is _____ None of the listed here 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 ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of cooling a power transformer is oil cooling Any of these natural air cooling air blast cooling oil cooling Any of these natural air cooling air blast cooling ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Current Power Voltage Frequency Current Power Voltage Frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers An open-circuit test on a transformer is conducted primarily to measure copper loss total loss insulation resistance core loss copper loss total loss insulation resistance core loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 2 mH 8 μH 2 μH 4 μH 2 mH 8 μH 2 μH 4 μH ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its None of the listed here Current efficiency Power efficiency Energy efficiency None of the listed here Current efficiency Power efficiency Energy efficiency ANSWER DOWNLOAD EXAMIANS APP