During ventricular fibrillation the heart muscles contract randomly, preventing the coordinated pumping of blood. A defibrillator can often restore normal blood pumping by discharging the charge on a capacitor through the heart. Paddles are held against the patient's chest, and a 5.1 x10-6 F charged capacitor is discharged in several milliseconds.

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Chapter1: Units, Trigonometry. And Vectors
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If the capacitor energy is 280 J, what potential difference (the change in voltage) was used to charge the capacitor? 

During ventricular fibrillation the heart muscles contract randomly,
preventing the coordinated pumping of blood. A defibrillator can
often restore normal blood pumping by discharging the charge on a
capacitor through the heart. Paddles are held against the patient's
chest, and a 5.1 ×10−6 F charged capacitor is discharged in
several milliseconds.
Transcribed Image Text:During ventricular fibrillation the heart muscles contract randomly, preventing the coordinated pumping of blood. A defibrillator can often restore normal blood pumping by discharging the charge on a capacitor through the heart. Paddles are held against the patient's chest, and a 5.1 ×10−6 F charged capacitor is discharged in several milliseconds.
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