1.

What is the range of current density for large power transformer with self oil cooled type?

A. 1-2 A per mm<sup>2</sup>
B. 1.5-2.5 A per mm<sup>2</sup>
C. 2.2-3.2 A per mm<sup>2</sup>
D. 2-3 A per mm<sup>2</sup>
Answer» D. 2-3 A per mm<sup>2</sup>


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