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Physics, 28.08.2021 04:10 wyseguy8971

Xác định cường độ điện trường gây ra bởi một thanh kim loại độ dài L
, tích điện với mật độ

điện dài
 , tại điểm nằm trên đường trung trực của thanh và cách thanh một khoảng là
x

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Xác định cường độ điện trường gây ra bởi một thanh kim loại độ dài L
, tích điện với mật độ<...
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