Transformers The main reason for generation of harmonics in a transformer could be saturation of core mechanical vibrations fluctuating load poor insulation saturation of core mechanical vibrations fluctuating load poor insulation ANSWER DOWNLOAD EXAMIANS APP
Transformers The path of the magnetic flux in transformer should have high reluctance low reactance high resistance low resistance high reluctance low reactance high resistance low resistance ANSWER DOWNLOAD EXAMIANS APP
Transformers Two things which are same for primary and secondary of transformer are ______ Currents and induced voltages Resistance and leakage reactances Ampere turns and voltage per turns None of the listed here Currents and induced voltages Resistance and leakage reactances Ampere turns and voltage per turns None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer should never have the secondary open circuited while the primary is energised? Power transformer Current transformer Auto transformer Potential transformer Power transformer Current transformer Auto transformer Potential transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Current Frequency Voltage Power Current Frequency Voltage Power ANSWER DOWNLOAD EXAMIANS APP
Transformers How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 9 V? 90 V 900 V 0.9 V 9 V 90 V 900 V 0.9 V 9 V ANSWER DOWNLOAD EXAMIANS APP
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