4. Consider the RC circuit indicated at right!. (a) Calculate the time constant for the circuit T= RC= ( 502)(20 x 10-9 F) =] 120 nF 502 (b) If the capacitor is fully charged by a 25 V power supply, calculate the charge on each capacitor plate. q = CV = (120 x10-9 F)(25 v) = 3x/0-6 (c) When the circuit switch is thrown at t = 0 s, calculate the initial discharge current. (d) How much charge is on each plate at t = 25 µs?

4. Consider the RC circuit indicated at right!. (a) Calculate the time constant for the circuit T= RC= ( 502)(20 x 10-9 F) =] 120 nF 502 (b) If the capacitor is fully charged by a 25 V power supply, calculate the charge on each capacitor plate. q = CV = (120 x10-9 F)(25 v) = 3x/0-6 (c) When the circuit switch is thrown at t = 0 s, calculate the initial discharge current. (d) How much charge is on each plate at t = 25 µs?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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4. Consider the RC circuit indicated at right:.
(a) Calculate the time constant for the circuit
T= RC = (502) x 10-9 F) =1
%3D
120 nF
502
(b) If the capacitor is fully charged by a 25 V
power
supply, calculate the charge on each capacitor plate.
q = CV = (120 x10-9 F)(25 v) = 3x/0-6
(c) When the circuit switch is thrown at t= 0 s, calculate the initial discharge current.
(d) How much charge is on each plate at t = 25 µs?
(e) Calculate the time constant for the circuit if the resistance is doubled, and a 2nd capacitor of the same
capacitance is placed in series with the first capacitor.

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