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10.6 Exercise 8

Avg difficulty 2.5

(a) During surgery, a current as small as 20.0μA20.0 \mu \text{A} applied directly to the heart may cause ventricular fibrillation. If the resistance of the exposed heart is 300Ω,300 \Omega , what is the smallest voltage that poses this danger? (b) Does your answer imply that special electrical safety precautions are needed?

OpenStax University Physics Volume 2, 10.6 Household Wiring and Electrical Safety, exercise 8

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Adapted from University Physics Volume 2 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 2. Imported at revision db44eb9.