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匀强电场中常常有三种直线:电场线、等势线、任一条直线(或者恰好为运动的位移)。这三条直线有什么样的关系呢?匀强电场中,电场线是平行等距的直线,等差等势线是平行等距直线,电场线和等势线相互垂直,电场中任一条直线被等势线均分,其中电场线是等分距离最小的直线.本文巧妙根据这三条直线的关系来处理匀强电场问题。
Even strong electric field often has three kinds of straight lines: electric field lines, equipotential lines, any straight line (or just the displacement of the movement). In the uniform electric field, the electric field lines are parallel equidistant straight lines, and the equipotential equal potential lines are parallel equidistant straight lines. The electric field lines and equipotential lines are perpendicular to each other, and any straight line in the electric field is The equipotential line is equally divided, in which the electric field line is the straight line with the smallest bisecting distance.This article cleverly treats the uniform electric field problem according to the relationship of these three lines.