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什么是元电荷

更新时间: 2021-05-15 06:14:46     

1、基本电荷又称“基本电量”或“元电荷(elementary charge)”。在各种带电微粒中,电子电荷量的大小是最小的,人们把最小电荷叫做元电荷,也是物理学的基本常数之一,常用符号e表示 。

2、基本电荷e = 1.60217663410×10-19库仑(通常取e = 1.6×10-19C),是一个电子或一个质子所带的电荷量。任何带电体所带电荷都是e的整数倍或者等于e。

关键词: 什么 电荷

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