銆婄數璺垎鏋愬熀纭�銆嬪悇绔犱範棰樺弬鑰冪瓟妗?/p>
绗?/p>
1
绔?/p>
涔犻鍙傝�冪瓟妗?/p>
1-1
(1) 50W
锛?/p>
(2) 300 V
銆?/p>
25V
锛?/p>
200V
銆?/p>
75 V
锛?/p>
(3)
R
2
=
12.5惟
锛?/p>
R
3
=
100惟
锛?/p>
R
4
=
37.5惟
1-2
V
A
=8.5V
锛?/p>
V
m
=6.5V
锛?/p>
V
B
=0.5V
锛?/p>
V
C
=
鈭?/p>
12V
锛?/p>
V
D
=
鈭?/p>
19V
锛?/p>
V
p
=
鈭?/p>
21.5V
锛?/p>
U
AB
=8V
锛?/p>
U
BC
=12.5
锛?
U
DA
=
鈭?/p>
27.5V
1-3
鐢垫簮锛堜骇鐢熷姛鐜囷級锛?/p>
A
銆?/p>
B
鍏冧欢锛涜礋杞斤紙鍚告敹鍔熺巼锛夛細
C
銆?/p>
D
鍏冧欢锛涚數璺弧瓒冲姛鐜囧钩琛?
鏉′欢銆?/p>
1-4
(1)
V
A
=100V
锛?/p>
V
B
=99V
锛?/p>
V
C
=97V
锛?/p>
V
D
=7V
锛?/p>
V
E
=5V
锛?/p>
V
F
=1V
锛?/p>
U
AF
=99V
锛?/p>
U
CE
=92V
锛?
U
BE
=94V
锛?/p>
U
BF
=98V
锛?/p>
U
CA
=
鈭?/p>
3 V
锛?/p>
(2)
V
C
=90V
锛?/p>
V
B
=92V
锛?/p>
V
A
=93V
锛?/p>
V
E
=
鈭?/p>
2V
锛?/p>
V
F
=
鈭?/p>
6V
锛?/p>
V
G
=
鈭?/p>
7V
锛?/p>
U
AF
=99V
锛?/p>
U
CE
=92V
锛?/p>
U
BE
=94V
锛?/p>
U
BF
=98V
锛?/p>
U
CA
=
鈭?/p>
3 V
1-5
I
鈮?/p>
0.18A
锛?/p>
6
搴︼紝
2.7
鍏?/p>
1-6
I
=4A
锛?/p>
I
1
=11A
锛?/p>
I
2
=19A
1-7
(a)
U
=6V
锛?/p>
(b)
U
=24 V
锛?/p>
(c)
R
=
5惟
锛?/p>
(d)
I
=23.5A
1-8
(1)
i
6
=
鈭?/p>
1A
锛?/p>
(2)
u
4
=10V
锛?/p>
u
6
=3 V
锛?/p>
(3)
P
1
=
鈭?/p>
2W
鍙戝嚭锛?/p>
P
2
=6W
鍚告敹锛?/p>
P
3
=16W
鍚告敹锛?
P
4
=
鈭?/p>
10W
鍙戝嚭锛?/p>
P
5
=
鈭?/p>
7W
鍙戝嚭锛?/p>
P
6
=
鈭?/p>
3W
鍙戝嚭
1-9
I
=1A
锛?/p>
U
S
=134V
锛?/p>
R
鈮?/p>
7.8
惟
1-10
S
鏂紑锛?/p>
U
AB
=
鈭?/p>
4.8V
锛?/p>
U
AO
=
鈭?/p>
12V
锛?/p>
U
BO
=
鈭?/p>
7.2V
锛?/p>
S
闂悎锛?/p>
U
AB
=
鈭?/p>
12V
锛?/p>
U
AO
=
鈭?/p>
12V
锛?/p>
U
BO
=0V
1-11
鏀矾
3
锛岃妭鐐?/p>
2
锛岀綉瀛?/p>
2
锛屽洖璺?/p>
3
1-12
鑺傜偣鐢垫祦鏂圭▼锛?/p>
(A)
I
1
+I
3
鈭?/p>
I
6
=0
锛?/p>
(B)
I
6
鈭?/p>
I
5
鈭?/p>
I
7
=0
锛?/p>
(C)
I
5
+I
4
鈭?/p>
I
3
=0
鍥炶矾鐢靛帇鏂圭▼锛?/p>
鈶?/p>
I
6
R
6
+ U
S5
+I
5
R
5
鈭?/p>
U
S3
+I
3
R
3
=0
锛?/p>
鈶?/p>
鈭?/p>
I
5
R
5
鈭?/p>
U
S5
+ I
7
R
7
鈭?/p>
U
S4
=0
锛?/p>
鈶?/p>
鈭?/p>
I
3
R
3
+
U
S3
+ U
S4
+ I
1
R
2
+ I
1
R
1
=0
1-13
U
AB
=11V
锛?/p>
I
2
=0.5A
锛?/p>
I
3
=4.5A
锛?/p>
R
3
鈮?/p>
2.4惟
1-14
V
A
=60V
锛?/p>
V
C
=140V
锛?/p>
V
D
=90V
锛?/p>
U
AC
=
鈭?/p>
80V
锛?/p>
U
AD
=
鈭?/p>
30V
锛?/p>
U
CD
=50V
1-15
I
1
=
鈭?/p>
2A
锛?/p>
I
2
=3A
锛?/p>
I
3
=
鈭?/p>
5A
锛?/p>
I
4
=7A
锛?/p>
I
5
=2A
绗?/p>
2
绔?/p>
涔犻鍙傝�冪瓟妗?/p>
2-1
2.4
惟
锛?/p>
5 A
2-2
(1) 4 V
锛?/p>
2 V
锛?/p>
1 V
锛?/p>
(2) 40 mA
锛?/p>
20 mA
锛?/p>
10 mA
2-3
1.5
惟
锛?/p>
2 A
锛?/p>
1/3 A
2-4
6
惟
锛?/p>
36
惟
2-5
2 A
锛?/p>
1 A
2-6
1 A
2-7
2 A
2-8
1 A
2-9
I
1
=
鈭?/p>
1.4 A
锛?/p>
I
2
= 1.6 A
锛?/p>
I
3
= 0.2 A
2-10
I
1
= 0 A
锛?/p>
I
2
=
鈭?/p>
3 A
锛?/p>
P
1
= 0 W
锛?/p>
P
2
=
鈭?/p>
18 W