天气预报 > 其他 > 直流情况下电容的容抗等于多少
直流情况下电容的容抗等于多少
更新时间: 2020-07-06 00:00:00  

直流情况下,电容的容抗等于无穷大,称为隔电流运用。

交流电是能够通过电容的,但是电容对交流电仍然有阻碍作用。电容对交流电的阻碍作用叫做容抗。电容量大,交流电容易通过电容,说明电容量大,电容的阻碍作用小;交流电的频率高,交流电也容易通过电容,说明频率高,电容的阻碍作用也小。实验证明,容抗和电容成反比,和频率也成反比。

关键词: 直流 情况 电容 等于 多少

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