发布时间:2025-01-31 01:24:58
呵呵
不是!
电压表的原理,其实是测电流,所以要电荷从被测点出发,通过电表的正(或负)表笔,经过电表,经过另外一条表笔,通过被测体,再回到被测点,要构成这样的回路,才能测出电压。
比如,你测电池的电压,一定要把表笔接触到电池的两极,不能把负表笔接触到大地去测吧。
所以,题目中:“一端接地”,说法不严谨,回答就是:不是。
昨天相亲他送我回家时说现在房子装修好乱过段时间带我去看看到家后我微信说他单身久了有些木要我
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