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13. [-/1 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The immediate cause of many deaths is ventricular fibrillation, which is an uncoordinated quivering
13. [-/1 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The immediate cause of many deaths is ventricular fibrillation, which is an uncoordinated quivering of the heart. An electric shock to the chest can cause momentary paralysis of the heart muscle, after which the heart sometimes resumes its proper beating. One type of defibrillator (figure below) applies a strong electric shock to the chest over a time interval of a few milliseconds. This device contains a capacitor of several microfarads, charged to several thousand volts. Electrodes called paddles are held against the chest on both sides of the heart, and the capacitor is discharged through the patient's chest. Assume an energy of 290 J is to be delivered from a 30.0-MF capacitor. To what potential difference must it be charged? Andrew Olney/Getty Images Need Help? Read It 14. [-/2 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER a) Determine the capacitance of a Teflon-filled parallel-plate capacitor having a plate area of 1.80 cm- and a plate separation of 0.060 0 mm. PF b) Determine the maximum potential difference that can be applied to a Teflon-filled parallel-plate capacitor having a plate area of 1.80 cm- and a plate separation of 0.060 0 mm. KV Need Help? Read It Watch It
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