C R2 R1 t = 0 S For the circuit shown in the figure, the switch S is closed at t = 0. If R, %3D 12 and R2 R. find the current in the battery as a function of time. 12 12e 12e a) I = e-12t/RC + b) I = e-3t/12RC + 12R 3e 38 12R c) I = e-3t/4RC 4R 3E 3E 4R 48 d) I = e-4t/3RC + %3D 3R 3R e) / = 12e-121/3RC+ 12E 3R 3R

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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C
3.
R2
R1
t = 0
S
R
For the circuit shown in the figure, the switch S is closed at t = 0. If R,
%3D
12
and R2
find the current in the battery as a function of time.
12
a) I =-
R.
124-12t/RC+
12e
b) I =e-3t/12RC
12R
38
12R
3E
c) I =-
3€ e-31/4RC
4R
4R
48
e-t /3RC +
3R
d) I
%3D
3R
e) / =
12e-121/3RC
12e
%3D
3R
3R
Transcribed Image Text:C 3. R2 R1 t = 0 S R For the circuit shown in the figure, the switch S is closed at t = 0. If R, %3D 12 and R2 find the current in the battery as a function of time. 12 a) I =- R. 124-12t/RC+ 12e b) I =e-3t/12RC 12R 38 12R 3E c) I =- 3€ e-31/4RC 4R 4R 48 e-t /3RC + 3R d) I %3D 3R e) / = 12e-121/3RC 12e %3D 3R 3R
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