Engineering
Engineering, 17.10.2021 07:30, alflores27p91de1

tính toán để quấn dây cho một máy biến áp có điện áp cuộn sơ cấp là 220V cuộn thứ cấp có điện áp là 6V, 12V cho sắt tốt, mẫu lá thép bọc có a = 3 cm

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tính toán để quấn dây cho một máy biến áp có điện áp cuộn sơ cấp là 220V cuộn thứ cấp có điện áp là...

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