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For 275 KV Transformers, Using Cold Rolled Grain Oriented Steel

Question 24

Multiple Choice

For 275 kV transformers, using cold rolled grain oriented steel, which of the following values of flux density may be used?

A) 1.0 Wb/m²
B) 1.1 Wb/m²
C) 1.3 Wb/m²
D) 1.6 Wb/m²

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