Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Iron losses Leakage reactance Winding resistance Copper losses Iron losses Leakage reactance Winding resistance Copper 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 thermal conductivity High permeability Mechanical strength Low hysteresis loss High thermal conductivity High permeability ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise produced by a transformer is termed as zoom buzz ringing hum zoom buzz ringing hum ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following 3 phase connections of transformer create disturbances in communication systems Star/Delta Delta/Star Delta/Delta Star/Star Star/Delta Delta/Star Delta/Delta Star/Star ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Current Frequency Power Voltage Current Frequency Power Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of None of these less than 15 A more than 15 A 15 A None of these less than 15 A more than 15 A 15 A ANSWER DOWNLOAD EXAMIANS APP