-
S
S
S
S
ss
t
2.24
/
c
3
ttt
3
Irwin, Basic Engineering Circuit Analysis, 9/E 1
Chapter 6: Capacitance and Inductance Problem 6.FE-1
SOLUTION:
The correct answer is a. Yes. The capacitors should be connected as shown.
F2 F4
F6
eqC
FCeq
366
)6(6
Irwin, Basic Engineering Circuit Analysis, 9/E 1
Chapter 6: Capacitance and Inductance Problem 6.FE-2
SOLUTION:
The correct answer is c.
dttitq )()(
stC
stCt
tC
tq
1,6
10,6
0,0
)(
C
tqtv
)()(
stV
stVtx
tV
tv
1,6
10,106
0,0
)( 6
)(2
1)( 2 tvCtw
stJ
stJtx
tJ
tw
1,18
10,1018
0,0
)( 26
Irwin, Basic Engineering Circuit Analysis, 9/E 1
Chapter 6: Capacitance and Inductance Problem 6.FE-3
SOLUTION:
The correct answer is b.
The voltage across the unknown capacitor Cx is (using KVL):
xV 824
VVx 16vCq
The capacitors are connected in series and the charge is the same.Cq 480)8(60
Fv
qCx
3016
480
Irwin, Basic Engineering Circuit Analysis, 9/E 1
Chapter 6: Capacitance and Inductance Problem 6.FE-4
SOLUTION:
mH6
eqL
mH12
mH3
mH3 mH9
mH2
The correct answer is d. mmmmmmLeq 2]36]12)93[([
mmmmmLeq 2]36]12)12[([
mmmmLeq 2]366[
mmmLeq 2]33[
mmLeq 25.1
mHLeq 5.3
Irwin, Basic Engineering Circuit Analysis, 9/E 1
Chapter 6: Capacitance and Inductance Problem 6.FE-5
SOLUTION:
The correct answer is a.
dt
tdiLtv
)()(
tttt teeetedt
tdi 2222 402020)2(20)(
tt teemtv 22 402010)(
0,4.02.0
0,0)(
22 tVtee
tVtv
tt