Transformers An ideal transformer is one which has a common core for its primary and secondary windings core of stainless steel and winding of pure copper metal interleaved primary and secondary windings no losses and magnetic leakage a common core for its primary and secondary windings core of stainless steel and winding of pure copper metal interleaved primary and secondary windings no losses and magnetic leakage ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 2 μH 4 μH 2 mH 8 μH 2 μH 4 μH 2 mH 8 μH ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. 400 W 100 W None of the listed here 200 W 400 W 100 W None of the listed here 200 W 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 0.4 9.6 0.96 4 0.4 9.6 0.96 ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiencies of transformers compared with that of electric motors of the same power are about the same somewhat smaller much higher much smaller about the same somewhat smaller much higher much smaller ANSWER DOWNLOAD EXAMIANS APP
Transformers The hum in a transformer is mainly attributed to oil in the transformer magnetostriction mechanical vibrations load changes oil in the transformer magnetostriction mechanical vibrations load changes ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS