Physics
⼆
六,
Yoyo
Ch 25,26
24
.
18
" Aˇ
Q= c V
Q
(b)
Ui
(c)
Uf
(d)
W= △ U
=
=
⼆
d
-
.
d
2
.
60
t f
'
⼆
Í 12,26 ⼼)
x
'
ÌQVEÍ 12,26 ⼼)
x
ÍQIKV)
=
(
( 7,90)
240
)
( 7.90 )
=
⼼3
x
r
=
ÌQV
=
⼼) 1 8 40 x ⼼)
85 x
=
=
GAV
(a)
V
0
=
f
7,9 0
v
=
⼆
8.93
XIǛJ
⼆
2,71
xlfj
Í 12.26 ⼼)
x
…
( 24,0 -7.90 )
"
2 26 x 1 0
1,90 以
u
=
1 80
.
=
24.0 V
⼆
ÌQV
=
Emax
=
"
ĒE
d
⼆
Ǐ
V
⼆
t.VE Í 吢
xiō J
K Eo A
c
C
.
8
KEOA
Emaxd
2
Umax
⼆
ÌC
=
i
=
Ìl 5,0 1) 18.85
(
Vmax
"
%A)
Enixd
"
✗
10
)
"
( 0,0242) ( 243 ㄨ 1 0分 ( 1 7 8 x
.
/
P)
⼆
5,64
x
ǗJ
G
Capacitance
Resistunce
In series
R
'
六
Rit Rz
=
⼆
Ceq
六 六
=
G
⼗
S
+
ME 。 (
含)
位 Eo
⼆
In
f
parallel
,
六 名
⼗
⼆
C
'
=
G
t
S
c
=
=
K
G
H
>
=
JA
2
丌r
丌(
=
叁八年 丌 d
2
54 0 A
cfm
青
⼆
4
10
cni
x
m
2
I
八年 d)
d
d
=
2
=
=
I
丝
JT
2
|嘉
⼆
2
|
0.49A
( 5.4oxi )
3,40
丌
=
xlō
4
3,40 xiō
m
2
cm
t
后)
( 8,85 ✗ ⼼) ( 9,13 xiō4)
2
望
J=
(介
2d
1
A=
d
Eo A
=
=
E
伶)
⼗
d
5 05
.
x
11
.
⼼
40 x 1 P)
'
F
1490 +12.6 )
S
r
12
,
8
5
E3 ⼆ 1.8
xlòǐn
3
(a)
É
pT
=
duetothe
Ez
万
E;
:
5i 8
=
丌
=
R
=
f
h
ii.
4
=
(
3
:
⽯
x
Lz
Rz
:
:
=
=
1
6
( 7.8 ⼆ )
124 8 ⼝
.
(b)
万
倒
主八
⼆
d
⼆年
m
⼆
缸
16
可以
步
=
i
rz
⼆
inseries
⼆不休 的
倍
⼝
-
卡
Rz ⼆ 16121
[ Thesamecurrent
A3
⼀
samematerial
EXJ
;
⼆
T, 他 i)
Thesameresistivityp
Ej
Ji Ai
倍
,
=
-12,27mm)
,
⼆年-12.27mm)
=
1-76 mm
=
1
.
39
mm
7
F
⼤ G 82
=
r
r
=
=
=
/
⼤
EA ⼆
2
9 13
8182
⼗3 e
⼆
-3 e
F
|
(8,99×109) (1.6×10"9)
2
9
"
7.29 xiō
5,33
xiō 9
m
Ep
⼆
G
andhmustbearthesamechan.ge
1的
→ +
Ē
+
0
=
1
Ě
Ěko
⼆
0
7R
品
⼤ QZ
electricfieldofachargedringalongthez-a.is/ETl=lElk#=X82l7Nli+i
1 El
=
(八)
作
I
82
=
名
2
11244912
71 發作
,
作
信
信
忘
… 56
A
E
+0 ⼀⽇
Ě
○
lowpontential
←
⽥
highpotential
W= q△V
KE
个
lower
Wroundtrip
PE
negative
work
Highpotential Pi
Pz
positive
work
Lowpotential
t
⼆
0
ˇ
Ex
Ey
=
⼆
_
⼀
#
步
=
=
-
_
V1 lzx -2 y )
Ex
[ nlzx ) ⼗ V27
Ey
⼆
x
o
⼆ 0
⼆)
=
2
y
xli
x
V1 2,2 )
=
=
=
V1 (4-8)
3 (
12
⼀
4)
V
⼗
⼗ 12
V2 (2)
(2)
⼀
⼝
⼆点
= o
= z
=
y