A 200 μFμF defibrillator capacitor is charged to 1500 VV. When fired through a patient's chest, it loses 95% of its charge in 40 msms.
Added by William G.
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5 \times 200 \times 10^{-6} \times 2250000 = 225 \, J \] Show more…
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A 160 µF defibrillator capacitor is charged to 1500 V. When fired through a patient's chest, it loses 50% of its charge in 150 ms. What is the resistance of the patient's chest?
Madhur L.
A 200 μF defibrillator capacitor is charged to 1500 V. When fired through a patient's chest, it loses 95% of its charge in 40 ms. What is the resistance of the patient's chest? Express your answer to two significant figures and include the appropriate units.
An important use of capacitors is in defibrillators. A defibrillator works by discharging a capacitor across a human chest, causing a current to pass through te heart. That current can reset erratic heartbeats, allowing the heart to function properly again. One defibrillator manufacturer sells a capacitor with a capacitance of 184 μF that is rated at a voltage of 2 kV . The manufacturer claims that these capacitors can provide peak currents of up to 300 A . With the parameters given by the manufacturer, how long would it take to discharge 99% of the charge on this capacitor (when using it on a person)?
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