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 to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns None of these 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 to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns None of these 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? 4 9.6 0.96 0.4 4 9.6 0.96 0.4 ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is 0.2 25 0.4 5 0.2 25 0.4 5 ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary leakage flux links _____ None of the listed here Secondary winding only Primary winding only Both primary and secondary windings None of the listed here Secondary winding only Primary winding only Both primary and secondary windings ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Zoom Boo Magnetostriction Hum Zoom Boo Magnetostriction Hum ANSWER DOWNLOAD EXAMIANS APP
Transformers The permissible flux density in case of cold rolled grain oriented steel is around 2.7 Wb/m² 4.7 Wb/m² 3.7 Wb/m² 1.7 Wb/m² 2.7 Wb/m² 4.7 Wb/m² 3.7 Wb/m² 1.7 Wb/m² ANSWER DOWNLOAD EXAMIANS APP