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post #31 of 60
Quote:
Originally Posted by Art Vanelay View Post

No the volts are what kills you, because the voltage determines the amperage based on ohms law.
Overclock the PSU? lolwut?
You are right In the sense that you need some voltage to have amps. Hence, the first statement of the saying, "it's not the volts that kill" should be changed to "it's not necessarily the volts that kill" to convey the intended points of the saying. However, since amps are, by definition, defined as volts/ohms, the second part of the saying, the "amps are what kills" is correct. Have the proper voltage-resistance ratio, i.e 10 milliamps of current through the heart, and it will result in the same thing despite the many different combos of voltage and resistance values there are that result in 10 milliamps.

In the case of the taser vs. CRT monitor drivel you spewed, the taser has low amps precisely because it has both high resistance and voltage. In the finger under here=dead video, Resistance is far lower while voltage is also very high; that means higher amps. This is, again, derived by using the equation. Amps=Volts/Ohms
post #32 of 60
People keep citing Ohm's Law, but are people even Ohmic resistors? Somehow I would imagine a nonlinear I-V curve.

It's always the current that matters. What is bad is the net movement of charge carriers through places it shouldn't be going, at least in the amount that happens. Who cares about voltages at points A and B unless the voltages and connections cause something to happen? (And how does something happen? flow of charge) Measure some potential difference between plates on a capacitor or two different capacitors or two points on the body, and whatever else... it's not a big deal in of itself.
post #33 of 60
Quote:
Originally Posted by Torn Mind View Post

You are right In the sense that you need some voltage to have amps. Hence, the first statement of the saying, "it's not the volts that kill" should be changed to "it's not necessarily the volts that kill" to convey the intended points of the saying. However, since amps are, by definition, defined as volts/ohms, the second part of the saying, the "amps are what kills" is correct. Have the proper voltage-resistance ratio, i.e 10 milliamps of current through the heart, and it will result in the same thing despite the many different combos of voltage and resistance values there are that result in 10 milliamps.
In the case of the taser vs. CRT monitor drivel you spewed, the taser has low amps precisely because it has both high resistance and voltage. In the finger under here=dead video, Resistance is far lower while voltage is also very high; that means higher amps. This is, again, derived by using the equation. Amps=Volts/Ohms

There are many examples of where individuals do end up dying after being "tazzed". We could conclude that all that died had a heart problem but we also could conclude that a failure with saftey circuits in the Tazer occoured or perhaps some aspect of the victims skin altered the formula controlling amperage.We say "amps kill" but the image of someone sitting in "old sparky" and a big knife switch controlling 1000V getting thrown comes to mind
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post #34 of 60
Let's just leave it at, "Don't be stupid while handling a PSU." Oh, and for good measure leave it switched off and unplugged for a bit before you open it up, for whatever reason you are opening it up for. In my opinion, there really shouldn't be a reason for you to open up a PSU in the first place.

Edit: Although, I can say I was one of those kids that took apart random stuff and put them together with other things. Me and a friend even managed to knock the power out at his house for a few hours.
Edited by JRuxGaming - 10/16/12 at 1:54am
post #35 of 60
I've taken apart PSU's before, I've always kept clear of the capacitors, I forget who told me, but from a young age I knew they held a charge. I didn't realize they could kill you though, I suppose the current is particularly high in some instances, resulting in some pretty powerful PSU's. E.g. P =VI
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post #36 of 60
Quote:
Originally Posted by Frazz View Post

I've taken apart PSU's before, I've always kept clear of the capacitors, I forget who told me, but from a young age I knew they held a charge. I didn't realize they could kill you though, I suppose the current is particularly high in some instances, resulting in some pretty powerful PSU's. E.g. P =VI

I need to get this out of my head. I am just asking a question, and in no way am I trying to start any type of fight. Why exactly do people open a PSU anyways? What is/are the main reason(s)?
post #37 of 60
Quote:
Originally Posted by JRuxGaming View Post

I need to get this out of my head. I am just asking a question, and in no way am I trying to start any type of fight. Why exactly do people open a PSU anyways? What is/are the main reason(s)?

Call me weird but I like to look at mine.smile.gif
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post #38 of 60
Quote:
Originally Posted by nbmjhk6 View Post

Call me weird but I like to look at mine.smile.gif

Hmm... Fair enough. tongue.gif I don't mind seeing the inside of one. I was a network admin at my high school from Sophomore year to Junior before I moved, and saw plenty of opened PSUs. I guess I just don't see anything interesting with them anymore.
post #39 of 60
Quote:
Originally Posted by JRuxGaming View Post

Hmm... Fair enough. tongue.gif I don't mind seeing the inside of one. I was a network admin at my high school from Sophomore year to Junior before I moved, and saw plenty of opened PSUs. I guess I just don't see anything interesting with them anymore.

I still like to look. It gives me something too do. I got bored with gaming so all I do pretty much is work/ manage a gaming clan(ironic isn't it?)/ and build models.
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post #40 of 60
Quote:
Originally Posted by Art Vanelay View Post

No the volts are what kills you, because the voltage determines the amperage based on ohms law.

Nope, all Volts do it make it hurt, and if there are enough, paralyzes you.

It is, in fact, the Amerage that kills you. It only takes something like 1 miliamp, so stop your heart. And considering there are over 60,000 miliamps in a PSU... You get the point.
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