Theory & DesignCâu 88 / 110
A three-phase panel has phase loads of A = 40 A, B = 30 A, C = 20 A. What is the ideal balanced current per phase?
a.40 A
b.20 A
c.25 A
d.30 A
Giải thích
Total = 40 + 30 + 20 = 90 A; balanced across three phases = 90 / 3 = 30 A per phase.
Luyện miễn phí toàn bộ 110 câu hỏi — không cần đăng ký.
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