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Problem #3: The switch in the circuit shown has been elosed for a long time and is apened at t - 0. Find: a) vat time t - 0 L) vat time t = 0 - c) the tinse constaut for t> 0,. d) the numerical cexpression for v/t) after the switch has been opened, (1 e) the initial energy stored in the capacitor, - p..) and n the length of timr required In dissipale 50% of lar inilially storel energy. 50 k2 8mA 70 kl 0.4 µF7 v(t) $ 20 kn

Problem #3: The switch in the circuit shown has been elosed for a long time and is apened at t - 0. Find: a) vat time t - 0 L) vat time t = 0 - c) the tinse constaut for t> 0,. d) the numerical cexpression for v/t) after the switch has been opened, (1 e) the initial energy stored in the capacitor, - p..) and n the length of timr required In dissipale 50% of lar inilially storel energy. 50 k2 8mA 70 kl 0.4 µF7 v(t) $ 20 kn

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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Problem #3: Tlhe switch in the circuit shown has been closed for a long time and is apened at t - 0. Fincl: a) vat time t = 0 b) vat tinne t = 0 - c) the tinse constant for t> 0,, d) the numerical expression for vft) after the switch has been opened, (1 e) the initial energy stored in the capacitor, - p...3) and ņ the iength nftine required lo lissipale 50% of lle inilinlly storel energy. 50 k2 1 ) 8mA 70 k 0.4 µF v(t) { 20 kn
Transcribed Image Text:Problem #3: Tlhe switch in the circuit shown has been closed for a long time and is apened at t - 0. Fincl: a) vat time t = 0 b) vat tinne t = 0 - c) the tinse constant for t> 0,, d) the numerical expression for vft) after the switch has been opened, (1 e) the initial energy stored in the capacitor, - p...3) and ņ the iength nftine required lo lissipale 50% of lle inilinlly storel energy. 50 k2 1 ) 8mA 70 k 0.4 µF v(t) { 20 kn
Problem #2: Assume that the circuit has heen cnnnected for a very Inng time. (Note: x = Inst digit of your ID#. If this is "zero", use "1" ampere) (a) As time approaches infinity, what will happen to the caparitor and inductor? (h) From your answer in (a), draw the equivalent circuit (label nppropriately).. () From ynttr circnit in (b), determine the "steady-state" or "final" values of re, ic,i, and . 10 A 4 k2 3 uF Ve I kf? 2 k2
Transcribed Image Text:Problem #2: Assume that the circuit has heen cnnnected for a very Inng time. (Note: x = Inst digit of your ID#. If this is "zero", use "1" ampere) (a) As time approaches infinity, what will happen to the caparitor and inductor? (h) From your answer in (a), draw the equivalent circuit (label nppropriately).. () From ynttr circnit in (b), determine the "steady-state" or "final" values of re, ic,i, and . 10 A 4 k2 3 uF Ve I kf? 2 k2
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