Transformers The leakage flux in a transformer depends upon load current, voltage and frequency load current and voltage load current load current, voltage, frequency and power factor load current, voltage and frequency load current and voltage load current load current, voltage, frequency and power factor ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Zoom Boo Hum Magnetostriction Zoom Boo Hum Magnetostriction ANSWER DOWNLOAD EXAMIANS APP
Transformers The hum in a transformer is mainly attributed to oil in the transformer mechanical vibrations load changes magnetostriction oil in the transformer mechanical vibrations load changes magnetostriction ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Leakage reactance Winding resistance Iron losses Copper losses Leakage reactance Winding resistance Iron losses Copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer with a 110 V primary has a 15:1 turns ratio. The load resistance, RL, is 120 . What is the approximate voltage across the load? 7.3 V 73 V 88 V 880 V 7.3 V 73 V 88 V 880 V ANSWER DOWNLOAD EXAMIANS APP
Transformers A Buchholz relay can be installed on Air-cooled transformer Auto transformer Oil cooled transformer Welding transformer Air-cooled transformer Auto transformer Oil cooled transformer Welding transformer ANSWER DOWNLOAD EXAMIANS APP