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In the figure below, the switch in the circuit has been closed for a long time. Att= 0, it opens. 2H 40 t= 0 160 60 Va + 20mF Ve 5V a) Redraw the circuit where Va is 15 V b) Find the following values: vc(0+ ), i:(0+ ), iL(0+ ), vL(0+ ), v(∞), iL(∞) c) Indicate whether this circuit is overdamped or underdamped. Explain how you determined that. d) Find a new value for the capacitor that will make the system critically damped.

In the figure below, the switch in the circuit has been closed for a long time. Att= 0, it opens. 2H 40 t= 0 160 60 Va + 20mF Ve 5V a) Redraw the circuit where Va is 15 V b) Find the following values: vc(0+ ), i:(0+ ), iL(0+ ), vL(0+ ), v(∞), iL(∞) c) Indicate whether this circuit is overdamped or underdamped. Explain how you determined that. d) Find a new value for the capacitor that will make the system critically damped.

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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In the figure below, the switch in the circuit has been closed for a long time. At t= 0, it opens. iL 2H t = 0 160 60 – Va + 20mF Ve 5V a) Redraw the circuit where Va is 15 V b) Find the following values: vc(0+ ), ic(0+ ), iL(0+ ), vL(0+ ), v.(∞), iL(∞) c) Indicate whether this circuit is overdamped or underdamped. Explain how you determined that. d) Find a new value for the capacitor that will make the system critically damped.
Transcribed Image Text:In the figure below, the switch in the circuit has been closed for a long time. At t= 0, it opens. iL 2H t = 0 160 60 – Va + 20mF Ve 5V a) Redraw the circuit where Va is 15 V b) Find the following values: vc(0+ ), ic(0+ ), iL(0+ ), vL(0+ ), v.(∞), iL(∞) c) Indicate whether this circuit is overdamped or underdamped. Explain how you determined that. d) Find a new value for the capacitor that will make the system critically damped.
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