Transformers The steel used for transformer core has All of the listed here High silicon content Low hysteresis loss High permeability All of the listed here High silicon content Low hysteresis loss High permeability ANSWER DOWNLOAD EXAMIANS APP
Transformers The power efficiency of a lightning transformer is always ______its all day efficiency. Less than Equal to None of the listed here Higher than Less than Equal to None of the listed here Higher than ANSWER DOWNLOAD EXAMIANS APP
Transformers The output current corresponding to the maximum efficiency for a transformer having core loss of 200 W and equivalent resistance referred to secondary of 0.5 Ω is 15 A 10 A 5 A 20 A 15 A 10 A 5 A 20 A ANSWER DOWNLOAD EXAMIANS APP
Transformers When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is 2,400 V 120 V 240 V 12 V 2,400 V 120 V 240 V 12 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its Energy efficiency Current efficiency None of the listed here Power efficiency Energy efficiency Current efficiency None of the listed here Power efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum flux produced in the core of a transformer is ______ None of the listed here Inversely proportional to supply frequency Inversely proportional to primary voltage Directly proportional to supply frequency None of the listed here Inversely proportional to supply frequency Inversely proportional to primary voltage Directly proportional to supply frequency ANSWER DOWNLOAD EXAMIANS APP