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H.W: The switch in the circuit shown below has been in position a for a long time. At t = 0 the switch is moved to position b. For the position b: a) What is the initial value of ve? b) What is the final value of vc? c) What is the time constant of the circuit ?

H.W: The switch in the circuit shown below has been in position a for a long time. At t = 0 the switch is moved to position b. For the position b: a) What is the initial value of ve? b) What is the final value of vc? c) What is the time constant of the circuit ?

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
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H.W: The switch in the circuit shown below has been in position a for a long time. At 1 = 0 the switch is moved to position b. For the position b: a) What is the initial value of vc? b) What is the final value of vc? c) What is the time constant of the circuit ? d) What is the expression for vc(t) when t20? e) What is the expression for i(t) when r 20 ? f) How long after the switch is in position b does the capacitor voltage equal 60 V? g) Plot ve(t) and ic(1) versus t for periods of t=0 till the steady state. R,=40 N R,=400 2 a E, =40 V_ E,=90 V R,= 60 N C=0.5 µF ic
Transcribed Image Text:H.W: The switch in the circuit shown below has been in position a for a long time. At 1 = 0 the switch is moved to position b. For the position b: a) What is the initial value of vc? b) What is the final value of vc? c) What is the time constant of the circuit ? d) What is the expression for vc(t) when t20? e) What is the expression for i(t) when r 20 ? f) How long after the switch is in position b does the capacitor voltage equal 60 V? g) Plot ve(t) and ic(1) versus t for periods of t=0 till the steady state. R,=40 N R,=400 2 a E, =40 V_ E,=90 V R,= 60 N C=0.5 µF ic
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