12伏105安的电池,用电流表显示多少伏啊

2025-04-01 02:06:14
推荐回答(5个)
回答1:

12V105AH的电池,是不能用电流表去测量电压的,必须使用电压表去测量。电压在10V(已经没有电)-14.4V(电瓶充满电)左右。

回答2:

当然可以用电流表去测试,这个电流表必须大于105安倍才能测试,一般家用的万用表电流太小了,只有500毫安,1A=1000mA,105安倍显得太大了,所以必须有这个大电流条件的表才能测。
其实测电流比测电压更要准确,测电压由于电池内阻大了测出的电压不正确,有虚电压的存在,测电流属于实打实的,够这个电流就够这个电压。
电流表当然不能测电压懂弱点的都知道,我们比方一节电池为1.5v,当电池电压基本上用完了,但是电压表还能显示1v或者1.2v,这个电压正确吗?虚拟电压,内阻变大,这电压是不正确的,如果用万用表电流档去测量、电流才显示几十毫安这就证明了电流都快没了,电压显示1v左右,那才叫更不标准,提问者的105安倍的电流,当然要用比105安更大的电流表来测量电流,这叫电流法测量,没有这么大的电流表,当然选择电压表来参考。

回答3:

不能直接测量,必须要串联一个灯泡,不然会烧毁电流表的,如果是直接串联在总电路中,应该是105安,如果是并联的话,电流的倒数等于每个串联电器电流的倒数和

回答4:

电流表一般不能显示电压。若用电压表或万用表测,12v电池根据电量充满程度显示14--11v

回答5:

这个电池基本参数:
额定输出电压为12v,
105AH表示容量,含义可称作充满电后,以1安培电流放电可持续105小时。
要测电瓶容量、内阻,标准放电时电压、电流,温度、等参数要专用的仪表测量的。

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