Which causes death of human when a certain amount of current passes through him? And what is the maximum current a human can bear?
closed as off-topic by Dave Tweed♦, Nick Alexeev♦, Chetan Bhargava, Anindo Ghosh, Leon Heller Jan 30 '14 at 10:16
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10mA through the heart can be enough to kill a person, regardless of voltage.
Normally, your skin has very high resistance. But if electrical current manages to get to the heart by any means, low voltage can be fatal since your internals have a lot lower resistance than your skin.
Actually your question contains a lot of variables. And also it depends on person to person(not very much difference though). But for average calculation I say, 100 volts at 100 milli-amperes for say just over a second or two is enough to kill a person.