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Physics, 15.12.2021 14:00 genyjoannerubiera

Trên một tấm kim loại phẳng rất rộng, tích điện đều, người ta xác định được điện tích chứa trong một hình chữ nhật có kích thước 2m x 5m là -4,0uC. Tính độ lớn vevto cảm ứng điện tại điểm M cách tấm kim loại đó 20cm, cho biết tấm kim loại đặt trong môi trường có hằng số điện môi e = 4

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Trên một tấm kim loại phẳng rất rộng, tích điện đều, người ta xác định được điện tích chứa trong một...

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