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A heart defibrillator being used on a patient has an RC time constant of 11.0 ms...

A heart defibrillator being used on a patient has an RC time constant of 11.0 ms due to the resistance of the patient and the capacitance of the defibrillator. If the defibrillator has an 7.00 μF capacitance, what is the resistance of the path through the patient? If the initial voltage is 12.0 kV, how long does it take to decline to 635 V?

resistance: Ω

time: s

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