Transformers The steel used for transformer core has High silicon content High permeability Low hysteresis loss All of the listed here High silicon content High permeability Low hysteresis loss All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer transfers electrical energy from primary to secondary usually with a change in ______ Time period Power Frequency Voltage Time period Power Frequency Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 load. The turns ratio is 3:1. What is the secondary voltage? 2 V 18 V 180 V 20 V 2 V 18 V 180 V 20 V 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? 111.5 W 0 W 14.1 W 1,020 W 111.5 W 0 W 14.1 W 1,020 W ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is capacitive only inductive or resistive None of these inductive only capacitive only inductive or resistive None of these inductive only ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiencies of transformers compared with that of electric motors of the same power are much smaller about the same much higher somewhat smaller much smaller about the same much higher somewhat smaller ANSWER DOWNLOAD EXAMIANS APP
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