ENEE 204
Fall 2005
HW #1
Due: In class
Sept. 13, 2005
Problem 1.
State, in words, the meaning of equations 112 in Lecture 1,
page 7.
Do not
give an essay. No more than two sentences each.
Problem 2: Simple Circuit
Consider the circuit shown below. The unit of the battery is in Volts and the resistor is
k
Ω
. (kiloOhms).
a.
What is the current flowing through each resistor?
b.
What is the voltage drop across each resistor?
c.
What is power dissipated on each resistor.
Problem 4: Applying terminal relations for Capacitor
Voltage across a 1
μ
F capacitor is varies in time according to the relation (ms=10
3
secs):
ms
t
V
ms
t
ms
t
ms
V
V
ms
t
ms
V
V
ms
t
ms
t
ms
V
V
ms
t
V
7
;
0
7
6
;
1
10
6
4
;
10
4
2
;
2
10
2
0
;
0
≥
=
<
≤

=
<
≤
=
<
≤
=
<
≤
=
a.
Plot V(t) vs. t. Label the axis on your graph clearly.
b.
Using appropriate terminal relation calculate and plot the current flowing into the
capacitor as a function of time. Label the axis on your graph clearly.
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 Fall '04
 Gomez
 Watt, Resistor, Inductor, Incandescent light bulb, 5 seconds, 3 secs

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