Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Current transformer Auto transformer Power transformer Voltage transformer Current transformer Auto transformer Power transformer Voltage transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is ______ the commercial efficiency. The same as None of the listed here More than Less than The same as None of the listed here More than Less than ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because Uses inductive coupling A static device Uses capacitive coupling Uses electric coupling Uses inductive coupling A static device Uses capacitive coupling Uses electric coupling ANSWER DOWNLOAD EXAMIANS APP
Transformers Harmonics in transformer result in magnetic interference with communication circuits All of the listed here increased core losses increased I2R losses magnetic interference with communication circuits All of the listed here increased core losses increased I2R losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following property is not necessarily desirable in the material for transformer core? Mechanical strength Low hysteresis loss High permeability High thermal conductivity Mechanical strength Low hysteresis loss High permeability High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Transformers In a certain transformer, the input power to the primary is 120 W. If 8.5 W are lost to the winding resistance, what is the output power to the load, neglecting any other issues? 14.1 W 111.5 W 1,020 W 0 W 14.1 W 111.5 W 1,020 W 0 W ANSWER DOWNLOAD EXAMIANS APP
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