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Consider the circuit shown below for this problem. 10 ΚΩ 120 V + a VC 0, and the expression for the capacitor voltage for t≥ 0.

Consider the circuit shown below for this problem. 10 ΚΩ 120 V + a VC 0, and the expression for the capacitor voltage for t≥ 0.

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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Consider the circuit shown below for this problem. 10 ΚΩ 120 V + a vc cb12.5 ΚΩ t=0 150 ΚΩΣ 40 nF 50 ΚΩ Hint: Use this expression for this problem vc(t) = vc (∞0) + [v(0+) − v(∞)]e + 200 V a) The switch in the circuit in the above figure has been in position a for a long time. At t = 0, the switch moves instantaneously to position b and stays there. Find the initial and final values of the capacitor voltage, the time constant for t≥ 0, and the expression for the capacitor voltage for t ≥ 0. b) Now suppose the switch in the circuit in same figure has been in position b for a long time. At t=0, the switch moves instantaneously to position a and stays there. Find the initial and final values of the capacitor voltage, the time constant for t > 0, and the expression for the capacitor voltage for t≥ 0.
Transcribed Image Text:Consider the circuit shown below for this problem. 10 ΚΩ 120 V + a vc cb12.5 ΚΩ t=0 150 ΚΩΣ 40 nF 50 ΚΩ Hint: Use this expression for this problem vc(t) = vc (∞0) + [v(0+) − v(∞)]e + 200 V a) The switch in the circuit in the above figure has been in position a for a long time. At t = 0, the switch moves instantaneously to position b and stays there. Find the initial and final values of the capacitor voltage, the time constant for t≥ 0, and the expression for the capacitor voltage for t ≥ 0. b) Now suppose the switch in the circuit in same figure has been in position b for a long time. At t=0, the switch moves instantaneously to position a and stays there. Find the initial and final values of the capacitor voltage, the time constant for t > 0, and the expression for the capacitor voltage for t≥ 0.
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