Transformers Primary winding of a transformer is always a low voltage winding could either be a low voltage or high voltage winding None of these is always a high voltage winding is always a low voltage winding could either be a low voltage or high voltage winding None of these is always a high voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load current of a transformer has has high magnitude and high power factor has small magnitude and high power factor has high magnitude and low power factor has small magnitude and low power factor has high magnitude and high power factor has small magnitude and high power factor has high magnitude and low power factor has small magnitude and low power factor 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 None of these protects the primary circuit is safe to human beings avoids core saturation and high voltage induction None of these protects the primary circuit is safe to human beings ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 8.8 V 88 V 880 V 8,800 V 8.8 V 88 V 880 V 8,800 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiencies of transformers compared with that of electric motors of the same power are much smaller much higher somewhat smaller about the same much smaller much higher somewhat smaller about the same ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Leakage reactance Eddy current loss Iron losses Copper loss Leakage reactance Eddy current loss Iron losses Copper loss ANSWER DOWNLOAD EXAMIANS APP