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Physics, 18.06.2021 19:30 taterbugwallen7944
Mạch điện 3 pha 380/220V có dây trung tính cung cấp điện cho tải 3 pha gồm các bóng đèn sợi đốt loại 220V-60W (bóng đèn được xem như thuần trở ), biết pha C có 6 bóng đèn. Tính dòng điện chạy trong pha C
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Mạch điện 3 pha 380/220V có dây trung tính cung cấp điện cho tải 3 pha gồm các bóng đèn sợi đốt loại...
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