WHAT_IS_THE_FORMULA_OF_WINDOW_SPACE_FACTOR,_WHEN_THE_TRANSFORMER_RATIN

1.	WHAT_IS_THE_FORMULA_OF_WINDOW_SPACE_FACTOR,_WHEN_THE_TRANSFORMER_RATING_IS_20_KVA??$
A.	10 / (30+kV)
B.	12 / (30+kV)
C.	8 / (30+kV)
D.	19 / (30+kV)
Answer» D. 19 / (30+kV)

Discussion