Cho mạch điện xoay chiều như hình vẽ. Điện dung C...
Câu hỏi: Cho mạch điện xoay chiều như hình vẽ. Điện dung C có giá trị thay đổi được và cuộn dây thuần cảm. Điều chỉnh giá trị của C và ghi lại số chỉ lớn nhất trên từng vôn kế thì thấy UCmax = 3ULmax. Khi đó UCmax gấp bao nhiêu lần URmax?![](data:image/jpeg;base64,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)
A
B
C
D
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Đề thi thử THPT Quốc Gia - Môn Vật Lý trường THPT Lê Thánh Tông lần 1 năm 2015- Mã đề 132