Transformers Which of the following transformer should never have the secondary open circuited while the primary is energised? Potential transformer Current transformer Power transformer Auto transformer Potential transformer Current transformer Power transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers Burden of a current transformer is usually expressed in Amperes Volts Kilowatt Volt amperes Amperes Volts Kilowatt Volt amperes ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load ratio of a 50 Hz single phase transformer is 6000/250 V. The maximum flux in the core is 0.06 Wb. What is the number of primary turns? 900 350 450 210 900 350 450 210 ANSWER DOWNLOAD EXAMIANS APP
Transformers The temperature rise of transformer is directly proportional to _______ None of the listed here Leakage reactance Apparent power Reactive power None of the listed here Leakage reactance Apparent power Reactive power ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding of the transformer has less cross-sectional area? Low voltage winding Primary winding High voltage winding Secondary winding Low voltage winding Primary winding High voltage winding Secondary winding 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? 0 W 1,020 W 14.1 W 111.5 W 0 W 1,020 W 14.1 W 111.5 W ANSWER DOWNLOAD EXAMIANS APP
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