At time t = 0, an RC circuit consists of a 17.0-V emf device, a 54.0-Q resistor, and a 152.0-μF capacitor that is fully charged. The switch is thrown so that the capacitor begins to discharge. (a) What is the time constant τ of this circuit? 0.008208 S (b) How much charge is stored by the capacitor at t = 0.5T, 2T, and 4t? 9051 × Your response differs from the correct answer by more than 100%. μc q(t = 0.5T) 0 q(t = 2T) q(t = 4T) x The correct answer is not zero. μc 0 The correct answer is not zero. μC

At time t = 0, an RC circuit consists of a 17.0-V emf device, a 54.0-Q resistor, and a 152.0-μF capacitor that is fully charged. The switch is thrown so that the capacitor begins to discharge. (a) What is the time constant τ of this circuit? 0.008208 S (b) How much charge is stored by the capacitor at t = 0.5T, 2T, and 4t? 9051 × Your response differs from the correct answer by more than 100%. μc q(t = 0.5T) 0 q(t = 2T) q(t = 4T) x The correct answer is not zero. μc 0 The correct answer is not zero. μC

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter28: Direct-current Circuits

Section: Chapter Questions

Problem 28.38P: Consider a series RC circuit as in Figure P28.38 for which R = 1.00 M, C = 5.00 F, and = 30.0 V....

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A capacitor with initial charge Q0 is connected across a resistor R at time t = 0. The separation between the plates of the capacitor changes as d = d0/(1 + t) for 0 t 1 s. Find an expression for the voltage drop across the capacitor as a function of time.
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