Transformers Which of the following property is not necessarily desirable in the material for transformer core? High permeability Mechanical strength High thermal conductivity Low hysteresis loss High permeability Mechanical strength High thermal conductivity Low hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is decreased, ______loss is decreased Copper Hysteresis Friction Eddy current Copper Hysteresis Friction Eddy current ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 8 μH 2 μH 2 mH 4 μH 8 μH 2 μH 2 mH 4 μH ANSWER DOWNLOAD EXAMIANS APP
Transformers A shell-type transformer has reduced magnetic leakage negligibly hysteresis losses high eddy current losses None of these reduced magnetic leakage negligibly hysteresis losses high eddy current losses None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers The path of the magnetic flux in transformer should have high reluctance high resistance low reactance low resistance high reluctance high resistance low reactance low resistance ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is inductive only None of these inductive or resistive capacitive only inductive only None of these inductive or resistive capacitive only ANSWER DOWNLOAD EXAMIANS APP