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V = V e -t/ RC(discharging). (21.80 Von capacitor 0.368V Or RC 2r 4r 3r Switch (a) (b) Figure 21.39 (a) Closing the switch discharges the capacitor C through the resistor R. Mutual repulsion of like charges on each plate drives the current. (b) A graph of voltage across the capacitor versus time, with V = Vo at t = 0. The voltage decreases exponentially, falling a fixed fraction of the way to zero in each subsequent time constant T.

V = V e -t/ RC(discharging). (21.80 Von capacitor 0.368V Or RC 2r 4r 3r Switch (a) (b) Figure 21.39 (a) Closing the switch discharges the capacitor C through the resistor R. Mutual repulsion of like charges on each plate drives the current. (b) A graph of voltage across the capacitor versus time, with V = Vo at t = 0. The voltage decreases exponentially, falling a fixed fraction of the way to zero in each subsequent time constant T.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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When discharging a capacitor, as discussed in conjunction with Figure 21.39, how long does it take for the voltage on the capacitor to reach zero? Clean handwriting please, typing preferred. Dont need a long answer thanks

V = V e -t/ RC(discharging). (21.80 Von capacitor 0.368V Or RC 2r 4r 3r Switch (a) (b) Figure 21.39 (a) Closing the switch discharges the capacitor C through the resistor R. Mutual repulsion of like charges on each plate drives the current. (b) A graph of voltage across the capacitor versus time, with V = Vo at t = 0. The voltage decreases exponentially, falling a fixed fraction of the way to zero in each subsequent time constant T.
Transcribed Image Text:V = V e -t/ RC(discharging). (21.80 Von capacitor 0.368V Or RC 2r 4r 3r Switch (a) (b) Figure 21.39 (a) Closing the switch discharges the capacitor C through the resistor R. Mutual repulsion of like charges on each plate drives the current. (b) A graph of voltage across the capacitor versus time, with V = Vo at t = 0. The voltage decreases exponentially, falling a fixed fraction of the way to zero in each subsequent time constant T.
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