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Physics, 14.06.2021 17:50 lapointayyy6388

Đặt lần lượt các điện tích q1= 1 nC, q2= -1Nc, q3= 1nC , q4= 1 nC vào các đỉnh A, B, C, D của hình chữ nhật, kích thước 10cmx20cm trong không
khí. Tính điện thế tại O là giao điểm của hai đường chéo hình chữ nhật, chọn gốc
điện thế tại vô cùng.

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Đặt lần lượt các điện tích q1= 1 nC, q2= -1Nc, q3= 1nC , q4= 1 nC vào các đỉnh A, B, C, D của hình...
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