1. Two resistors, three capacitors, a battery, and two switches are connected in the circuit shown below. The values of circuit elements are given by R, = 12, R2 = 2 2, C, = 3 µF, C2 = 4 uF, C3 = 5 µF, and Vo = 10 V. Originally, all switches are open and all capacitors are uncharged. At time t = 0, S1 is closed. R, C2 Vo C3 R2 (a) What is the current, Io, flowing out from the battery immediately after switch S, is closed? (b) How long, t/2, does it take for the current I2 to drop to half of its initial value (i.e. when switch S, was closed)? (c) What is the charge, Q1, on capacitor C, a very long time after the switch is closed? (d) After a very long time, switch S, is reopened and then switch S, is closed. What is the current I immediately afterwards? (e) A very long time after switch S, is closed, what is the total amount of energy that has been dissipated through the resistors?
1. Two resistors, three capacitors, a battery, and two switches are connected in the circuit shown below. The values of circuit elements are given by R, = 12, R2 = 2 2, C, = 3 µF, C2 = 4 uF, C3 = 5 µF, and Vo = 10 V. Originally, all switches are open and all capacitors are uncharged. At time t = 0, S1 is closed. R, C2 Vo C3 R2 (a) What is the current, Io, flowing out from the battery immediately after switch S, is closed? (b) How long, t/2, does it take for the current I2 to drop to half of its initial value (i.e. when switch S, was closed)? (c) What is the charge, Q1, on capacitor C, a very long time after the switch is closed? (d) After a very long time, switch S, is reopened and then switch S, is closed. What is the current I immediately afterwards? (e) A very long time after switch S, is closed, what is the total amount of energy that has been dissipated through the resistors?
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter20: Capacitance In Ac Circuits
Section: Chapter Questions
Problem 7PP: A pure capacitive circuit is connected to a 480-volt, 60-Hz power source. An ammeter indicates a...
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