Transformers When load on a transformer is decreased, ______loss is decreased Friction Eddy current Hysteresis Copper Friction Eddy current Hysteresis Copper ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which _______ Has same number of primary and secondary turns Does not work None of the listed here Has no losses and leakage reactance Has same number of primary and secondary turns Does not work None of the listed here Has no losses and leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers The flux in the core of a single phase transformer is _____ Purely alternating one Purely rotating one None of the listed here Partly alternating and partly rotating Purely alternating one Purely rotating one None of the listed here Partly alternating and partly rotating ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 2 mH 2 μH 8 μH 4 μH 2 mH 2 μH 8 μH 4 μH ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will work on Dc only None of the listed here AC as well as DC Ac only Dc only None of the listed here AC as well as DC Ac only ANSWER DOWNLOAD EXAMIANS APP
Transformers The effect of leakage flux in a transformer is to ______ Cause voltage drop in the windings None of the listed here Decreases copper losses Increase copper losses Cause voltage drop in the windings None of the listed here Decreases copper losses Increase copper losses ANSWER DOWNLOAD EXAMIANS APP
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