ECE 2020 Fall 2022 HW10
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Oct 30, 2023
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ECE 2020 Fall 2022 HW10
1.)
Find the Laplace transform of the following functions:
a.
??(?) = sin (4?)?(?)
b.
??(?) = ??
−2?
?(?)
c.
??(?) = (? − 1)?(? − 1)
d.
??(?) = (? − 1)?(?)
2.)
Use partial fraction expansion and the Laplace Transform tables to find the inverse Laplace
Transform for the following functions.
a.
𝐹?(?) =
?
?
2
+4?+3
b.
𝐹?(?) =
2?
?
2
+2?+2
3.)
In the circuit below, v
i
(t) = 5e
-4000t
cos(3000t) V
R = 12
Ω, C =
83.3μF, L = 1mH.
a.)
Find s.
b.)
Find the s-domain equation for voltage across the resistor, V
O
(s)
c.)
Find v
O
(t)
4.) For the circuit below, the input Vi is a 10V pulse that lasts for 1 second. R = 106
Ω, C =
44.4nF, L =
1mH. Assume all initial conditions are zero.
a.)
Find the equation for Vi(t)
b.)
Find Vi(s)
c.)
Find the s-domain equation for voltage across
the capacitor, V
o
(s).Find the voltage across the
capacitor, v
o
(t)
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Related Questions
QUESTION 1
Use the inverse transforms of some basic functions to find the given inverse transform.
.5
f(t) =
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Ans. F(s)=7
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