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在高中物理教材中关于电势的求解方法更多的是用φ=E_P/q来求解某点的电势。当然电势和电势能都具有相对q性,在电场中的同一位置,它的大小不是唯一的,其大小与选取的零电势点有关。通过这个式子,我们可以比较电场中某两点的电势高低,如果正试探电荷的电势能变化:E _(P1)>E_(P2),说明1、2两点电势φ_1>φ_2。如果负试探电荷的
In high school physics textbook on the potential solution method is more φ = E_P / q to solve the potential of a point. Of course, both the potential and the potential energy have a relative q-property, and the size is not unique at the same location in the electric field, and its size is related to the selected zero-potential point. Through this formula, we can compare the electric potential of two points in the electric field. If the electric potential of the electric charge under test can change: E _ (P1)> E_ (P2), the potentials φ_1> φ_2 of 1 and 2 are shown. If negative tempo charge