Electric Circuit Analysis 2020/2021
Dr. Yaseen H. Tahir
The Behavior of the Resistor, Capacitor, and Inductor in DC Circuits at t=0
and t=∞ :
The circuit
Load
Element
The element behavior at: Max. Energy
Stored in
at t = ∞
at t = 0
Resistor
Resistor
(with the
same value
of R)
(Study State) an Element
Source
Manual
Switch
RS
t=0
VS
R
The Load
is
Resistor
(with the
same value
of R)
No
R
Source
Manual
Switch
RS
𝑾=
t=0
VS
Capacitor
C
The Load
is
Short
circuit
Open
circuit
C
𝟏
𝑪 ∗ 𝑬𝟐
𝟐
(When E is
the
study
state
capacitor
voltage)
Source
Manual
Switch
RS
𝑾=
t=0
VS
The Load
is
Inductor
L
L
18
Open
circuit
Short
circuit
𝟏
𝑳 ∗ 𝑰𝟐
𝟐
(When I is
the
study
state
inductor
current)