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Một máy phát điện mà phần cảm gồm hai cặp cực từ quay với tốc độ 1500 vòng/phút và phần ứng gồm hai cuộn dây mắc nối tiếp, có suất điện động hiệu dụng 220V, từ thông cực đại qua mỗi vò[r]
[Vật Lý 12]_Điện Xoay Chiều_Máy Phát Điện và Máy điện_Trắc nghiệm
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