Physics, 24.11.2021 14:00 gwendallinesikes
Cho đoạn mạch như hình 14. Với E = 231V; R = 22; r0 = 0,1; Rd = 1. Sụt áp trên đường dây và điện áp ở 2 đầu A-B là:
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Cho đoạn mạch như hình 14. Với E = 231V; R = 22; r0 = 0,1; Rd = 1. Sụt áp trên đường dây và điện...
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