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 9 V 0.9 V 900 V 90 V 9 V 0.9 V 900 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Noise level test in a transformer is a None of these routine test special test type test None of these routine test special test type test ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is decreased, ______loss is decreased Eddy current Hysteresis Copper Friction Eddy current Hysteresis Copper Friction ANSWER DOWNLOAD EXAMIANS APP
Transformers The secondary of a current transformer is always short-circuited under operating conditions because it avoids core saturation and high voltage induction is safe to human beings None of these protects the primary circuit avoids core saturation and high voltage induction is safe to human beings None of these protects the primary circuit ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer, under heavy loads, is comparatively low because copper loss becomes high in proportion to the output secondary output is much less as compared to primary input voltage drop both in primary and secondary becomes large iron loss is increased considerably copper loss becomes high in proportion to the output secondary output is much less as compared to primary input voltage drop both in primary and secondary becomes large iron loss is increased considerably ANSWER DOWNLOAD EXAMIANS APP
Transformers The dielectric strength of transformer oil is expected to be 330 kV lkV 33 kV 100 kV 330 kV lkV 33 kV 100 kV ANSWER DOWNLOAD EXAMIANS APP
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