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Physics, 25.07.2021 21:20 tommyaberman
Tính điện trường và điện thế của đoạn dây AB có độ dài 2a tích điện đều với mật độ điện tích dài lamda, gây ra tại H trên đường vuông góc với trung điểm O một khoảng OH=h xét trường hợp đặc biệt khi a đến vô cùng
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Tính điện trường và điện thế của đoạn dây AB có độ dài 2a tích điện đều với mật độ điện tích dài lam...
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