增加
原因很简单啊,在串联电路中,总电阻就是各个用电器电阻相加之和.
串联电路随着用电器的个数增加其总电阻() 顺便说一下原因
串联电路随着用电器的个数增加其总电阻() 顺便说一下原因
其他人气:163 ℃时间:2020-02-05 04:34:08
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