Transformers If 25 W of power are applied to the primary of an ideal transformer with a turns ratio of 10, the power delivered to the secondary load is 25 W 2.5 W 0 W 250 W 25 W 2.5 W 0 W 250 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The power efficiency of a lightning transformer is always ______its all day efficiency. None of the listed here Less than Higher than Equal to None of the listed here Less than Higher than Equal to ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following protection is normally not provided on small distribution transformers? Overcurrent protection Overfluxing protection Buchholz relay All of these Overcurrent protection Overfluxing protection Buchholz relay All of these 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 protects the primary circuit is safe to human beings None of these avoids core saturation and high voltage induction protects the primary circuit is safe to human beings None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers The steel used for transformer core has High permeability All of the listed here Low hysteresis loss High silicon content High permeability All of the listed here Low hysteresis loss High silicon content ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer is smallest? 2kVA, 200 Hz 2kVA, 50 Hz 2kVA, 500 Hz 2kVA, 400 Hz 2kVA, 200 Hz 2kVA, 50 Hz 2kVA, 500 Hz 2kVA, 400 Hz ANSWER DOWNLOAD EXAMIANS APP