Minimum allowable resistivity of power transformer insulating oil is generally taken as
A. 2 X 1012 Ω - cm at 27°C and 0.2 X 1012
B. 1 X 1012 Ω - cm at 27°C and 0.1 X 1012
C. 3 X 1012 Ω - cm at 27°C and 0.3 X 1012
D. 4 X 1012 Ω - cm at 27°C and 0.4 X 1012
Show Answer
Answer: B
Share your understanding of this question with the correct explanation.