Question

. Skin resistance is about 1.0 MQ. Suppose Jónas grabs a wire at 220V voltage. a) If the current through the heart exceeds 5 mA, the heart may stop. Is Jónas in danger? b) Explain why plugs in bathrooms, where humidity is often high, should have a lid. c) Now Jónas is put in the electric chair. Why is it necessary to have 20 kV voltage there?

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