Transformers The power efficiency of a lightning transformer is always ______its all day efficiency. Less than Higher than None of the listed here Equal to Less than Higher than None of the listed here Equal to ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the coefficient of coupling for a transformer in which 4% of the total flux generated in the primary does not pass through the secondary? 0.96 4 0.4 9.6 0.96 4 0.4 9.6 ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum efficiency of a distribution transformer is at 50% full load at 80% full load at no load at full load at 50% full load at 80% full load at no load at full load ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer transfers electrical energy from primary to secondary usually with a change in ______ Voltage Time period Power Frequency Voltage Time period Power Frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural air cooling is generally restricted for transformers up to 15 MVA 5 MVA 1.5 MVA 50 MVA 15 MVA 5 MVA 1.5 MVA 50 MVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is ______ the commercial efficiency. Less than The same as None of the listed here More than Less than The same as None of the listed here More than ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS