Transformers An isolation transformer has primary to secondady turns ratio of 1:1 Can be any ratio 1:2 2:1 1:1 Can be any ratio 1:2 2:1 ANSWER DOWNLOAD EXAMIANS APP
Transformers The principle of working of transformer is Self induction Mutual induction Static induction Dynamic induction Self induction Mutual induction Static induction Dynamic induction ANSWER DOWNLOAD EXAMIANS APP
Transformers The steel used for transformer core has All of the listed here Low hysteresis loss High silicon content High permeability All of the listed here Low hysteresis loss High silicon content High permeability ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Current Power Frequency Voltage Current Power Frequency Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Supply frequency Power factor of load Both power factor and load current Load current Supply frequency Power factor of load Both power factor and load current Load current ANSWER DOWNLOAD EXAMIANS APP
Transformers The temperature rise of transformer is directly proportional to _______ Leakage reactance Apparent power Reactive power None of the listed here Leakage reactance Apparent power Reactive power None of the listed here ANSWER DOWNLOAD EXAMIANS APP