Transformers Which of the following 3 phase connections of transformer create disturbances in communication systems Delta/Star Star/Delta Delta/Delta Star/Star Delta/Star Star/Delta Delta/Delta Star/Star ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine copper losses eddy current losses core losses hysteresis losses copper losses eddy current losses core losses hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer transfers electrical energy from primary to secondary usually with a change in ______ Voltage Power Frequency Time period Voltage Power Frequency Time period ANSWER DOWNLOAD EXAMIANS APP
Transformers If 25 W of power are applied to the primary of an ideal transformer with a turns ratio of 10, the power delivered to the secondary load is 2.5 W 250 W 0 W 25 W 2.5 W 250 W 0 W 25 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum efficiency of a distribution transformer is at 50% full load at full load at 80% full load at no load at 50% full load at full load at 80% full load at no load ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer gives _______ Copper losses Iron losses Friction losses Total losses Copper losses Iron losses Friction losses Total losses ANSWER DOWNLOAD EXAMIANS APP
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