EECS 314 Fall 2006 HW 06 Problem 7
Student's name ___________________________
Discussion section # __________
(Last name, first name,
IN INK)
Consider the circuit shown on the diagram.
Assume a sinusoidal voltage source
V
S
⋅
cos(
ϖ
t)
and steadystate conditions.
Assume the following component values:
R = 60
Ω
C = 910 nF
L = 15 mH
V
S
=
10
⋅
cos(
ϖ
t)
V
.
Consider two frequencies of the sinusoidal voltage: 0.5 kHz and 2.5 kHz.
Refer to the Overview and notice that the frequencies given here are in Hz, not in rad/sec.
Calculate the peak amplitude of each current in mA and each voltage in V and write your
results in the table below:
Frequency,
kHz
capacitor current
i
C
capacitor voltage
v
C
inductor
current
i
L
inductor voltage
v
L
0.5
2.5
Briefly discuss how the increase of frequency affects the magnitude of each voltage and
current.
Show your work.
© 2006 Alexander Ganago
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EECS 314 Fall 2006 HW 06 Problem 7
Student's name ___________________________
Discussion section # __________
(Last name, first name,
IN INK)
Solution (Barry Mullins)
The solutions will be found using a complex (real + imaginary) representation of the
signals.
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 Fall '09
 Ganago
 Alternating Current, Volt, Electrical impedance, Alexander Ganago

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