Why Electricity Kills. A large amount of current can kill a person by cooking the insides. That clarifies why a 3-volt battery is safe yet the electrical chair is lethal.
Barring those the danger is that enough resistance heat will be created to burn you. A smaller amount of current can kill a person if it flows through the heart or central nervous system. Electric currents travel well through your blood.
While any amount of current over 10 milliamps 001 amp is capable of producing painful to severe shock currents between 100 and 200 mA 01 to 02 amp are lethal.
Consequently a shock is not as big of an issue but once it gets to the skin the rest of the body is vulnerable. A smaller amount of current can kill a person if it flows through the heart or central nervous system. It is worth re-examining why the electric chair fell out of favor in the first place. Jun 16 2016 Overall electricitys effect on the body depends on the specific path the current takes through the body and on the characteristics of the individuals body.
