LAPLACE IRANSFORMS (SECT. 9-5) Given a first- or second-order circuit: (a) Determine the circuit differential equation and the initial conditions (if not given). (b) Transform the differential equation into the s domain and solve for the response transform. (c) Use the inverse transformation to find the response waveform. See Examples 9-18 to 9-21 and Exercises 9-27 to 9-32. 9-41 The switch in Figure P9-41 has been open for a long time and is closed at t=0. The circuit parameters are R=500, L=250 mH, C=0.5 µF, and VA = 1000 V. +1/+ R WWW. R t = 0 VA C FIGURE P9-41 iL (1) vc(t) L (a) Find the circuit differential equation in i(t) and the initial conditions iL (0) and vc (0). (b) Use Laplace transforms to solve for it (t) for t≥ 0.

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LAPLACE IRANSFORMS (SECT. 9-5)
Given a first- or second-order circuit:
(a) Determine the circuit differential equation and the initial
conditions (if not given).
(b) Transform the differential equation into the s domain and
solve for the response transform.
(c) Use the inverse transformation to find the response
waveform.
See Examples 9-18 to 9-21 and Exercises 9-27 to 9-32.
9-41 The switch in Figure P9-41 has been open for a long time
and is closed at t=0. The circuit parameters are R=500,
L=250 mH, C=0.5 µF, and VA = 1000 V.
+1/+
R
WWW.
R
t = 0
VA
C
FIGURE P9-41
iL (1)
vc(t) L
(a) Find the circuit differential equation in i(t) and the
initial conditions iL (0) and vc (0).
(b) Use Laplace transforms to solve for it (t) for t≥ 0.
Transcribed Image Text:LAPLACE IRANSFORMS (SECT. 9-5) Given a first- or second-order circuit: (a) Determine the circuit differential equation and the initial conditions (if not given). (b) Transform the differential equation into the s domain and solve for the response transform. (c) Use the inverse transformation to find the response waveform. See Examples 9-18 to 9-21 and Exercises 9-27 to 9-32. 9-41 The switch in Figure P9-41 has been open for a long time and is closed at t=0. The circuit parameters are R=500, L=250 mH, C=0.5 µF, and VA = 1000 V. +1/+ R WWW. R t = 0 VA C FIGURE P9-41 iL (1) vc(t) L (a) Find the circuit differential equation in i(t) and the initial conditions iL (0) and vc (0). (b) Use Laplace transforms to solve for it (t) for t≥ 0.
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