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电路中的正负极如何连接
更新时间: 2020-09-28 00:00:00  

有以下三个步骤:

1、从电源的正极开始连线;

2、根据电路图或实物图,经过导线、开关、各种用电器,如果是电压表或电流表,应该从正接线柱流入,负接线柱流出;

3、最后用导线连回电源的负极。

关键词: 电路 负极 如何 连接

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