Transformers To step 110 V ac down to 20 V ac, the turns ratio must be 0.018 0.18 5.5 18 0.018 0.18 5.5 18 ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Load current Power factor of load Both power factor and load current Supply frequency Load current Power factor of load Both power factor and load current Supply frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers The power efficiency of a lightning transformer is always ______its all day efficiency. None of the listed here Less than Higher than Equal to None of the listed here Less than Higher than Equal to ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its Power efficiency Current efficiency Energy efficiency None of the listed here Power efficiency Current efficiency Energy efficiency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers A Buchholz relay can be installed on Air-cooled transformer Auto transformer Welding transformer Oil cooled transformer Air-cooled transformer Auto transformer Welding transformer Oil cooled transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers In a power or distribution transformer about 10 per cent end turns are heavily insulated to absorb the line surge voltage and save the winding of transformer from damage to reflect the line surge and save the winding of a transformer from damage None of these to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns to absorb the line surge voltage and save the winding of transformer from damage to reflect the line surge and save the winding of a transformer from damage None of these to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns ANSWER DOWNLOAD EXAMIANS APP
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