Occupational safety experts have developed an alternative criterion for electrical safety. They have found that shocks lasting...
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Occupational safety experts have developed an alternativecriterion for electrical safety. They have found that shockslasting less than 3 s will be nonlethal if the product of thevoltage drop across the body, the current through the body, and thetime (≤ 3.0 s) that the current flows does not exceed 13.5 V⋅A⋅s =13.5 J. Suppose that one hand of a potential victim is grounded andthe other hand touches a voltage source; suppose further that hisskin resistance is negligible--a worst-case scenario.
Using the criterion above, what is the largest voltage that willnot be lethal for a shock that lasts 1.2 s?
Occupational safety experts have developed an alternativecriterion for electrical safety. They have found that shockslasting less than 3 s will be nonlethal if the product of thevoltage drop across the body, the current through the body, and thetime (≤ 3.0 s) that the current flows does not exceed 13.5 V⋅A⋅s =13.5 J. Suppose that one hand of a potential victim is grounded andthe other hand touches a voltage source; suppose further that hisskin resistance is negligible--a worst-case scenario.
Using the criterion above, what is the largest voltage that willnot be lethal for a shock that lasts 1.2 s?
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