The percentage resistance and percentage reactance of a 10 kVA, 400 V/200 V, 3-phase transformer are 2% md 10% respectively.
If the constant losses in the machine are 1%, the maximum possible percentage efficiency of the transformer is
A. 98.32
B. 97.25
C. 96.85
D. 96.12
Show Answer
Answer: B
Share your understanding of this question with the correct explanation.