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静电场中零电势的选取对于解决实际问题有其重要的作用和意义,但是静电场中零电势的选取有其任意性,又有其有限性,为何无限远处的电势和地球的电势选取为零?本文的论述想与同行共勉。
The selection of zero potential in electrostatic field plays an important role in solving practical problems. However, the selection of zero potential in electrostatic field has its own randomness and its limitation. Why the potential at infinity and the potential of earth are chosen as Zero? The discussion of this article would like to share with my colleagues.