Which of the following is the main advantage of an auto-transformer over a two winding transformer ?
A) Hysteresis losses are reduced
B) Saving in winding material
C) Copper losses are negligible
D) Eddy losses are totally eliminated
Correct Answer:
Verified
Q1: Power transformers are generally designed to have
Q3: During short circuit test iron losses are
Q4: Two transformers are connected in parallel. These
Q5: The changes in volume of transformer cooling
Q6: An ideal transformer is one which has
A)no
Q7: When a given transformer is run at
Q8: In an actual transformer the iron loss
Q9: An ideal transformer will have maximum efficiency
Q10: If the supply frequency to the transformer
Q11: Negative voltage regulation is indicative that the
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