什么是电容?

2025-04-06 16:51:34
推荐回答(3个)
回答1:

电容也被称作是“电容量”,指的是在给定电位差下自由电荷的储藏量,记为C,在国际单位是法拉(F)。通常情况,电荷在电场中会由于受力而移动,当导体相互间产生介质,则阻碍了电荷移动而导致电荷累积在导体上,造成电荷的累积储存。
电容通常就是指电容器,是2个相互接近的导体,里面夹一层不导电的绝缘介质,这就组成了电容器。当电容器的2个极板相互间加上电压时,电容器便会储存电荷。电容器的电容量在数值上等于一个导电极板上的电荷量与2个极板相互间的电压之比。

回答2:

电容的定义是什么

回答3:

电容(Capacitance)亦称作“电容量”,电容是指在给定电位差下的电荷储藏量,记为C,国际单位是法拉(F)。一般来说,电荷在电场中会受力而移动,当导体之间有了介质,则阻碍了电荷移动而使得电荷累积在导体上,造成电荷的累积储存,储存的电荷量则称为电容

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