Transformers The principle of working of transformer is Dynamic induction Self induction Static induction Mutual induction Dynamic induction Self induction Static induction Mutual induction ANSWER DOWNLOAD EXAMIANS APP
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 2.5 W 0 W 250 W 25 W 2.5 W 0 W 250 W 25 W ANSWER DOWNLOAD EXAMIANS APP
Transformers If a transformer core has air gaps, then, _________ Hysteresis loss is decreased Eddy current is increased Reluctance of magnetic path is decreased Magnetising current is greatly increased Hysteresis loss is decreased Eddy current is increased Reluctance of magnetic path is decreased Magnetising current is greatly increased ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer gives _______ Copper losses Friction losses Iron losses Total losses Copper losses Friction losses Iron losses Total losses ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has a 1:6 turns ratio and a secondary coil load resistance of 470 . The load resistance as seen by the source is 7.8 Ω 13 Ω 78 Ω 1.3 Ω 7.8 Ω 13 Ω 78 Ω 1.3 Ω ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformer to determine None of the listed here Temperature Stray losses All day efficiency None of the listed here Temperature Stray losses All day efficiency ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS