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当我们研究静电场的电位和静电屏蔽时,往往涉及到地球的电位、接地等问题。那么地球的电位究竟等于多少?接地的物理含义又是什么?本文就此问题作些说明。
When we study the electrostatic field potential and electrostatic shielding, often involves the earth’s potential, grounding and other issues. So what exactly is the earth’s potential? What is the physical meaning of earth? This article explains this issue.