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24 July, 16:29

While taking a bath, a person touches the metal case of a radio. The path through the person to the drainpipe and ground has a resistance of 4350 Ω. What is the smallest voltage (in V) on the case of the radio that could cause ventricular fibrillation?

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  1. 24 July, 17:29
    0
    Given:

    Resistance, R = 4350 Ω

    Smallest current to cause a ventricular fibrillation, I = 0.1 A

    Using ohm's law,

    Voltage, V = I * R

    = 0.1 * 4350

    = 435 V.

    Smallest voltage = 435 V.
  2. 24 July, 19:46
    0
    435V

    Explanation:

    To calculate the smallest voltage that could cause ventricular fibrillation

    (Know that the smallest current (I) in that could bring about ventricular fibrillation is 100mA = 0.1 A (ampere)

    We're given resistance to be 4350 Ω

    Therefore we use Ohms law equation

    V = IR

    V = 0.1 * 4350

    V = 435V
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