A heart defibrillator being used on a patient has an RC time constant of 16.0 ms due to the resistance of the patient and the capacitance of the defibrillator. (a) If the defibrillator has an 8.40 µF capacitance, what is the resistance (in kΩ) of the path through the patient? (You may neglect the capacitance of the patient and the resistance of the defibrillator.) Answer in kΩ (b) If the initial voltage is 12.0 kV, how long (in ms) does it take to decline to 5.80 ✕ 102 V? Answer in ms

University Physics Volume 2
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Chapter10: Direct-current Circuits
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Problem 54P: A heart defibrillator being used on a patient has an RC time constant of 10.0 ms due to the...
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A heart defibrillator being used on a patient has an RC time constant of 16.0 ms due to the resistance of the patient and the capacitance of the defibrillator.

 

(a) If the defibrillator has an 8.40 µF capacitance, what is the resistance (in kΩ) of the path through the patient? (You may neglect the capacitance of the patient and the resistance of the defibrillator.)

 

Answer in kΩ

 

(b) If the initial voltage is 12.0 kV, how long (in ms) does it take to decline to 5.80 ✕ 102 V?

 

Answer in ms 

 

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