Transformers Harmonics in transformer result in All of the listed here magnetic interference with communication circuits increased core losses increased I2R losses All of the listed here magnetic interference with communication circuits increased core losses increased I2R losses 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? 180 V 18 V 2 V 20 V 180 V 18 V 2 V 20 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Distribution transformers are generally designed for maximum efficiency around 50% load 90% load 25% load Zero load 50% load 90% load 25% load Zero load ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. Electrically None of the listed here Magnetically Electrically and magnetically Electrically None of the listed here Magnetically Electrically and magnetically ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer transfers electrical energy from primary to secondary usually with a change in ______ Frequency Power Time period Voltage Frequency Power Time period Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers Burden of a current transformer is usually expressed in Kilowatt Volts Amperes Volt amperes Kilowatt Volts Amperes Volt amperes ANSWER DOWNLOAD EXAMIANS APP
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