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电池正负极接反指示灯会亮吗
更新时间: 2021-01-11 11:25:19  

1、电池正负极接反指示灯也会亮。

2、电灯本来就是一个纯电阻,电池接反了也不会受到影响的,电灯本身并没有正负极的区分,如果是led灯则只需要在电池的输出端并搂一个整流桥就好了。

关键词: 电池 负极 指示 灯会

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