网上讲的人体安全电流是10毫安,是不是在电压为36伏时,电流达到10毫安才会对人体有伤害,电压5v

2025-03-15 04:41:29
推荐回答(5个)
回答1:

1、对人体造成伤害主要是电流的作用。电流越大,对人体的损害就越大。电流通过心脏可以置人于死地,还会造成肌肉深度烧伤等损害的。
2、高电压对人体造成的伤害,还是电流的作用。当电压“很高很高”,其内阻又相当高时,它的电流会很小,小于30mA时对人体伤害就较轻,人体此时是可以自主摆脱电源的。
3、电压的高低,其安全距离是不同的,对于220V、380V的电源,只要没接触上,就不会触电的,而高电压则不然,距离高电压有一定距离(和电压高低等级有关),就可以击穿空气而发生触电的。
4、至于“电警棍、以及显像管的高压”,由于有电容存在,其瞬间放电的电流是很大的,不属于“电流很低”的范围。

回答2:

电压5v电流10毫安的话不会对人构成威胁的,36伏是安全电压是指一般人的阻抗定值,流经人体的电流会对人产生危害。若人的手沾水,则有可能5V的电压人体也会感觉触电

回答3:

人体的电阻会在一个大致的值上下波动,电流最大承受约10ma,可以算出安全电压约为36v

回答4:

一般说安全电压,没说电流,因为一般人体电阻变化不大

回答5:

你手机,以是充电器啊

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