Task 2: Consider the electrical system in the figure below, derive a differential equation that expresses the relation between the rate of change in the capacitor voltage Vc, and the voltage across the resistor VR. (Hint: use Kirchhoff current law). (i) (ii) (iii) C Formulate a first order differential equation to express the previous system. Hint: use Kirchhoff current law. Find the general solution of this first order differential equation, Assume: C-50 Micro Farad and R=50 ohm. Show how this differential equation could also be solved using Laplace transform to determine the particular solution. Table of Laplace transforms f(t)-L-'(F(s)) A to M 1 1² sin kr cosk! a Fis)-Lif(t)) सर PIR $20 55-A 120 R 330 S²+R²50 3²+R²>0 L{f'(t)} = sF(s)-f(0) Lif"(t)} = s²F(s) - sf (0) - f'(0)

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Publisher:Robert L. Boylestad
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Task 2:
Consider the electrical system in the figure below, derive a differential equation that expresses the
relation between the rate of change in the capacitor voltage Vc, and the voltage across the resistor VR.
(Hint: use Kirchhoff current law).
(i)
(ii)
(iii)
СЕ
Formulate a first order differential equation to express the previous system. Hint: use
Kirchhoff current law.
Find the general solution of this first order differential equation, Assume: C-50 Micro Farad
and R=50 ohm.
Show how this differential equation could also be solved using Laplace transform to
determine the particular solution.
Table of Laplace transforms
A
to 4
T
12
sin kr
cask!
k
446
Fis) = Lif(t))
(+4)²
a
320
15-A
$5-A
R
12.0
y>0
²+²>0
L{f'(r)] = $F(s)-f(0)
Lif"(t)) = s²F(s) - sf (0) - f'(0)
Transcribed Image Text:Task 2: Consider the electrical system in the figure below, derive a differential equation that expresses the relation between the rate of change in the capacitor voltage Vc, and the voltage across the resistor VR. (Hint: use Kirchhoff current law). (i) (ii) (iii) СЕ Formulate a first order differential equation to express the previous system. Hint: use Kirchhoff current law. Find the general solution of this first order differential equation, Assume: C-50 Micro Farad and R=50 ohm. Show how this differential equation could also be solved using Laplace transform to determine the particular solution. Table of Laplace transforms A to 4 T 12 sin kr cask! k 446 Fis) = Lif(t)) (+4)² a 320 15-A $5-A R 12.0 y>0 ²+²>0 L{f'(r)] = $F(s)-f(0) Lif"(t)) = s²F(s) - sf (0) - f'(0)
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