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电容的测量原理是什么
更新时间: 2020-10-26 00:00:00  

电容的测量原理:

测量极板上所存的电荷大小,或绝缘强度。检查容量,根据容量不同选择量程,测试时用两个表笔搭接电容的两个脚,表针有一定的数值,然后回到无穷大位,调换表笔再试一次,这次指针摆动大小略有偏差,再回到无穷大,说明电容没有损坏,如不能回无穷大,说明漏电,如指针没有摆动,说明内部断路或没容量。然后用同规格好电容进行比较,查看容量是否减小。

关键词: 电容 测量 原理 什么

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