The figure below shows a simplified model of a cardiac defibrillator, a device used to resuscitate patients in ventricular fibrillation. When the switch S is toggled to the left, the capacitor C charges through the resistor R. When the switch is toggled to the right, the capacitor discharges current through the patient's torso, modeled as the resistor Rtorso, allowing the heart's normal rhythm to be reestablished. (a) If the capacitor is initially uncharged with C = 7.00 µF and e m f = 1270 V, find the value of R (in ohms) required to charge the capacitor to a voltage of 795 V in 1.60 s. Ω (b) If the capacitor is then discharged across the patient's torso with Rtorso = 1230 Ω, calculate the voltage (in V) across the capacitor after 5.50 ms. V

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The figure below shows a simplified model of a cardiac defibrillator, a device used to resuscitate patients in ventricular fibrillation. When the switch S is toggled to the left, the capacitor C charges through the resistor R. When the switch is toggled to the right, the capacitor discharges current through the patient's torso, modeled as the resistor Rtorso, allowing the heart's normal rhythm to be reestablished. (a) If the capacitor is initially uncharged with C = 7.00 µF and e m f = 1270 V, find the value of R (in ohms) required to charge the capacitor to a voltage of 795 V in 1.60 s. Ω (b) If the capacitor is then discharged across the patient's torso with Rtorso = 1230 Ω, calculate the voltage (in V) across the capacitor after 5.50 ms. V
11:18
A webassign.net
nts]
DETAILS
SERCP11 18.5.P.037.
ASK YOUR TEACHER
PRACTICE ANOTHER
figure below shows a simplified model o
d to resuscitate patients in ventricular fib
R
C
torso
en the switch S is toggled to the left, the
stor R. When the switch is toggled to the
rent through the patient's torso, modeled
heart's normal rhythm to be reestablishe
If the capacitor is initially uncharged with
find the value of R (in ohms) required to
voltage of 795 V in 1.60 s.
Ω
Transcribed Image Text:11:18 A webassign.net nts] DETAILS SERCP11 18.5.P.037. ASK YOUR TEACHER PRACTICE ANOTHER figure below shows a simplified model o d to resuscitate patients in ventricular fib R C torso en the switch S is toggled to the left, the stor R. When the switch is toggled to the rent through the patient's torso, modeled heart's normal rhythm to be reestablishe If the capacitor is initially uncharged with find the value of R (in ohms) required to voltage of 795 V in 1.60 s. Ω
Expert Solution
Step 1

(a)

Let T be defined as the RC constant.

Therefore, the voltage of the capacitor while charging at time t is given as,

V=Vmax1-e-tT

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