How Electrocution Really Kills You




In Honors recently we’ve been looking at electricity, and the question was posed to me: “how much current does it take to kill a person?” I didn’t really have an answer that I was sure of, but this morning I found an article that has one: just 7 mA, applied directly to the heart for 3 seconds, will do the job. That is 7 milliamps, about 60 times smaller than the current flowing through one of the small light bulbs on the circuit boards when connected to the 3 V batteries.

And it was Adam Savage from the Mythbusters that said it, so it must be true!

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