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What causes an electric shock - Current or Voltage?

When someone gets electrocuted, what kills them; a high Voltage or a high Electric current, and why?


The voltage itself doesn't do anything, it's the electric current that a high voltage can produce what kills you. A high current can disipate a lot of energy in your body (human body has low conductivity), and literally burns you.

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    $\begingroup$ Yes but you will probably die of a heart attack, not burns, because the current disrupts the regulatory electrical impulses in your heart. See Wikipedia. $\endgroup$ – Mark Mitchison Jan 16 '13 at 21:50

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