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Physics, 12.12.2021 07:40 marmar72

Hai điện tích điểm q1 và q2 bằng nhau về độ lớn nhưng trái dấu, đặt trên đoạn thẳng AB như hình vẽ, biết AM=MN=NB=10cm. Chọn gốc điện thế ở vô cùng. Có điểm nào trên đoạn thẳng AB mà điện thế bằng 0 hay không? Nếu có, hãy xác định vị trí điểm đó.

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Hai điện tích điểm q1 và q2 bằng nhau về độ lớn nhưng trái dấu, đặt trên đoạn thẳng AB như hình vẽ,...
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