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1a和2.4a哪个充的快
更新时间: 2020-10-03 00:00:00  

2、4a比1a充电更快。

电流的大小称为电流强度,简称电流,符号为I,是指单位时间内通过导线某一截面的电荷量,每秒通过1库仑的电量。

2、4a比1a每秒通过的电荷量大,所以充电更快。

关键词: 1a 4a 哪个

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