Electrical mathQuestion 596 of 1506

Hand-to-hand body resistance is 1 kΩ in a worst case. What voltage can push 17 mA, a current that may cause fibrillation, through the body?

170 V
17 V
1.7 V
17 000 V

Show answer

Correct answer: 17 V

E = I x R = 0.017 A x 1000 Ω = 17 V. Low voltages can be dangerous.

Source: Lessons in Electric Circuits I: DC (Kuphaldt), 3.4: Ohm’s Law (again)

Questions last reviewed: 18 October 2026

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