Silicon percentage in silicon steel used for electrical equipments is about______________?
Correct answer: B. 4.0
- A. 1
- B. 4.0
- C. 8
- D. 14
Explanation
Electrical silicon steel commonly contains about 3 to 4.5% silicon, with approximately 4% being the standard figure. Silicon increases electrical resistivity and reduces eddy-current losses in magnetic equipment.
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