Transformers The winding of the transformer with greater number of turns will be _____ Either high or low voltage winding Low voltage winding High voltage winding None of the listed here Either high or low voltage winding Low voltage winding High voltage winding None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. Above 40% 3-5% 15-30% 30-40% Above 40% 3-5% 15-30% 30-40% ANSWER DOWNLOAD EXAMIANS APP
Transformers The output current corresponding to the maximum efficiency for a transformer having core loss of 200 W and equivalent resistance referred to secondary of 0.5 Ω is 10 A 20 A 15 A 5 A 10 A 20 A 15 A 5 A ANSWER DOWNLOAD EXAMIANS APP
Transformers How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 9 V? 90 V 900 V 9 V 0.9 V 90 V 900 V 9 V 0.9 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer, under heavy loads, is comparatively low because secondary output is much less as compared to primary input copper loss becomes high in proportion to the output voltage drop both in primary and secondary becomes large iron loss is increased considerably secondary output is much less as compared to primary input copper loss becomes high in proportion to the output voltage drop both in primary and secondary becomes large iron loss is increased considerably ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Boo Hum Magnetostriction Zoom Boo Hum Magnetostriction Zoom ANSWER DOWNLOAD EXAMIANS APP
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