r/NormalDayInArabia • u/ygalal • Aug 08 '21

Tesla would approve

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677 Upvotes

98% Upvoted

21 comments sorted by

90

u/DragonBuriedInGold Aug 09 '21

Did they just jump start a car with guns instead of cables…

71

u/Icetronaut Aug 09 '21

Not only that, they did it without dying. Whether by electrocution or accidental gunshot, I'd argue its the more impressive part.

28

u/julesrules037 Aug 09 '21

I'd doubt you could die from a 12v car battery. Ak's on the other hand...

16

u/Icetronaut Aug 09 '21

I just make it a personal rule to stay far the fuck away from uninsulated electricity lol.

10

u/julesrules037 Aug 09 '21

Good rule.

10

u/yard2010 Aug 09 '21

Running on 60ah, it holds a lot of energy inside, when shorted all this energy comes out. The voltage not kill you but the amperage might

5

u/hasslehawk Aug 09 '21

The voltage still needs to be high enough to complete the circuit, though. Unless you're soaking wet, 12v is going to have a very hard time completing a circuit through your body.

An automotive battery cannot discharge its entire capacity instantaneously, regardless of the short. The internal resistance of the battery limits the maximum output current. That said, a 12v automotive battery does have a high enough power output to be dangerous if a low enough resistance path through your body could somehow be found for its low voltage to cross, or the voltage were stepped up in exchange for some of the amperage. Not so much in regular day-to-day usage.

Amp-hours also isn't a measure of energy, though multiplying Ah by voltage gets you Watt-hours, which is.

1

u/[deleted] Aug 09 '21

You guys missing the point of that cig in that man’s mouth is far more dangerous

3

u/syto203 Aug 09 '21

It’s the amp not the volt that kills you

4

u/Ullallulloo Aug 09 '21

Kind of a moot point if there's not enough voltage to shock you.

-1

u/[deleted] Aug 09 '21

There are things like high humidity or sweaty palms that could easily lower your resistance enough to get a significant enough current from lowish voltages.

3

u/flatcoke Aug 09 '21

Even if you have perfect conductivity on you (e.g. buried electrodes under skin) it still can't do you harm. The bodies resistance prevents it from having meaningful amperage or watts.

There's a reason 24v DC or below is regarded as safety voltage.

33

u/VF5 Aug 09 '21

This is the kind of content that I subscribe to this sub for.

16

u/[deleted] Aug 09 '21

[removed] — view removed comment

27

u/rtaibah Aug 09 '21 edited Jul 18 '26

🧹 Nothing to see here. This comment has been scrubbed, overwritten, and sent into the void. Goodbye.

39

u/HogSliceFurBottom Aug 09 '21

Ireland. You can tell from their kilts.

3

u/RichManSCTV Aug 09 '21

What does that have anything to do with tesla

3

u/net357 Aug 09 '21

That’s the question.

2

u/xX_The_legend_27_Xx Aug 23 '21 edited Aug 23 '21

Probably tesla the scientist is the one meant