Electric Shock Effects: Current vs. Power

In summary, the impact of electric shock on the human body is primarily determined by the current, not the power. The dead limit for current is around 100 mA. The main effects of electric shock are on the heart and thermal damage. While thermal damage is caused by electric power, it is not the main issue. The effects of electric shock can vary depending on where it occurs, with electricians using their right hand to avoid the current going through their heart. In the case of the electric chair, a large amount of power is used to cause damage to the brain. The movement of electrons through tissue is what causes damage, and the voltage needed to do so can vary depending on factors like skin moisture. Overall, current has a greater impact on
  • #1
exponent137
558
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Impact of electric shock on human body is above all with electric current, not with electric power. The dead limit is somewhere 100 mA. Why current and not power?
The main effect of electric shock are on heart and thermal efect. Obviously, thermal efect is by electric power, so it is not the main problem?
 
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  • #2
It depends on where you do it. Electricians always use their right hand for high voltage wires so the current doesn't go to ground via their heart (as thing can stop it by interfering with the impulses from the brain).
However the electric chair uses a large amount of power to 'fry' the brain.
 
  • #3
The actual movement of electrons through tissue is what causes physiological damage; the voltage required to cause that current is inconsequential. Also, the voltage required to push a specific current through the body can vary enormously, depending on whether the skin is wet or dry, etc.

- Warren
 
  • #4
What is with thermal damage on tisue, is this consequence of electric power.

Probably voltage has also impact on tissue damage, but not important?

How it is with impact on heart muscle, is it also dependent from current and not from power?
 

What is the difference between current and power in terms of electric shock effects?

Current and power are two different factors that contribute to the effects of an electric shock. Current refers to the flow of electricity through the body, while power is the rate at which energy is transferred. In simple terms, current is the amount of electricity that passes through the body, while power is the strength or intensity of that electricity.

Which is more dangerous, high current or high power electric shocks?

Both high current and high power electric shocks can be dangerous and potentially fatal. However, high power shocks are typically more dangerous because they have a greater potential to cause damage to the body's tissues and organs. High current shocks, on the other hand, can cause more immediate effects such as muscle contractions and burns.

How does the duration of an electric shock affect its impact on the body?

The duration of an electric shock is an important factor in determining its impact on the body. A shorter duration shock may not cause significant harm, while a longer duration shock can lead to serious tissue damage and even death. The longer the duration of the shock, the more time the electricity has to flow through the body and cause harm.

Can electric shocks cause permanent damage to the body?

Yes, electric shocks can cause permanent damage to the body. The extent of the damage depends on factors such as the duration, intensity, and path of the electricity through the body. In some cases, electric shocks can cause nerve damage, muscle damage, and even heart problems.

What are some common symptoms of electric shock injuries?

Common symptoms of electric shock injuries include burns, muscle contractions, numbness and tingling, difficulty breathing, and irregular heartbeat. In severe cases, electric shocks can also lead to loss of consciousness, seizures, and cardiac arrest. It is important to seek medical attention immediately if you experience any of these symptoms after an electric shock.

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