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