0
It really depends. There are two kinds of injuries a human body may sustain.
In case of direct current (DC), the voltage is typically too low to cause any harm. Anything below 24V is considered "safe" (I put it in quotes, because there is no such a thing as safe electricity; even a 1.5V battery can kill under proper circumstances). If it is sufficiently high to break the skin barrier (or if it's applied to damaged areas), then the primary damage will be due to burns (here, human tissue will act as a resistor). The question then becomes thus: how much heat can tissue dissipate before being sufficiently damaged (denatured)?
In alternating current, however, the problem is not power nor heat. In case of a typical mains installation, the current will be alternating at a speed of 50 (EU) or 60 (US) Hz. That's cycles-per-second. That is dangerously close to the heart's signalling frequency, and if such current were to penetrate to the heart, it could disrupt its normal electrical activity and cause it to stop beating altogether. In this case, as little as 20-30mA can be fatal. Again, the voltage must be sufficiently high in order to penetrate the skin barrier (or the resistance of the skin must be lowered by other means, such as water, or a cut, etc.). As we move away towards 100Hz or 10Hz, the problem then again becomes heat-oriented (how much heat, etc.).
I hope this answers Your question.
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
How much electricity does a coal power station supply?
it depends on how big the power station is
Why will the battery die if the headlights are left on?
The battery stores just so much electricity. The lights use this electricity. Sooner or later the supply is depleted.
How harmful can boxing be to the human body?
it can be so harmful that you get brain damaged and that's pretty much how damaging it could be and that's how you die too
What consequences are there from the depletion of coal?
there will be much less production of electricity, which is a fundemantal human need.
What would there be if there was no electricity?
You said it, no electricity. But with the advent of more efficient solar, wind and hydro power plants we'll pretty much have a power supply until the planet dies.
How much of the world's water available for human use?
for a human. the human supply water usage is 3%. ONLY 3 PERCENT IS DRINKABLE TO HUMANS
How much electricity shortage in Pakistan?
There is a huge deficit of supply to current demand of electricity. Total requirement is around 18000 Mega Watts whereas the supply is under 12000 Mega Watts. There is a strong need of constructing water dams as soon as possible.
Can the human body generate to much electricity?
It's theoretically possible, I bet there is even such disorder.
How much do wind turbines contribute to the electricity supply?
It gets better. As the temperature has plummeted, the turbines have had to be heated to prevent them seizing up. Consequently, they have been consuming more electricity than they generate.
What is bioelectricity?
Electricity produced by biological species (for instance, human beings as well as much simple systems).
What are the pros and cons of solar electricity?
The pros to solar electricity are endless, just like the supply of solar energy. Solar energy is much better for the environment and it is much cheaper. It is harder to get because not everything has been converted to solar energy yet.
How much electricity can a 12 volts battery produce?
A 12 volt battery supply a 12 VDC potential to a 12 VDC load.
