(III) Two resistors and two uncharged capacitors are arrangedas shown in Fig. 19–72. Then a potential difference of 24 Vis applied across the combination as shown. (a) What is thepotential at point a with switch S open? (Let V = 0 at thenegative terminal of the source.) (b) What is the potential atpoint b with the switchopen? (c) When theswitch is closed, whatis the final potential ofpoint b? (d) How much +charge flows through 24 V8.8 N0.48 μFaSthe switch S after it isclosed?4.4 20.36 μFFIGURE 19–72Problem 58.

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Answered: (III) Two resistors and two uncharged…

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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(III) A 7.7-µF capacitor is charged by a 165-V battery (Fig. 17–43a) and then is disconnected from the battery. When this capacitor (C1) is then connected (Fig. 17–43b) to a second (initially uncharged) capacitor, C2, the final voltage on each capacitor is 15 V. What is the value of C2? [Hint: Charge is conserved.] C1 V C2 FIGURE 17-43 Problems 46 and 58. (а) (b)
If Vab=10 Volts according to the circuit in the figure, find the charge accumulated on the 6 uF capacitor? a 3µF 28µF 14µF lµF 6µF 3 - 3µF, 7µF 3µF 18µF O a) 5 ОВ) 10 O NS) 160/21 OD) 4.84.10^(-6) O TO) 4
. (III) A 3.70µ f capacitor is charged by a 12.0-V battery. Itis disconnected from the battery and then connected to anuncharged 5.00µ fcapacitor (Fig.17–43). Determine the totalstored energy (a) before the two capacitors are connected, and(b) after they are connected. (c) What is the change in energy?
Three capacitors having capacitances of 5, 10, 12 uF are connected in series across 600 volt mains. Determine (a)equivalent capacitance of the combination; (b) charge on each capacitor; (c) potential across each capacitor, assuming noleakage.
(II) A neuron is stimulated with an electric pulse. The actionpotential is detected at a point 3.70 cm down the axon0.0052 s later. When the action potential is detected 7.20 cmfrom the point of stimulation, the time required is 0.0063 s.What is the speed of the electric pulse along the axon? (Whyare two measurements needed instead of only one?)
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(d) Two capacitors are in series across a 60V source. If one is a 1 µF capacitor with a 15 V across it, what is the capacitance of the other capacitor?

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