2. Задание
Найти токи в ветвях электрической цепи методами контурных токов и узловых потенциалов. Схема цепи приведена ра рис.2.1., варианты заданий - в таблице 2.1.
Таблица 2.1.
|
N |
Группа А |
Группа Б | ||||||||||
|
вар. |
U1, В |
U2, В |
U3, В |
U4, В |
U5, В |
U6, В |
U1, В |
U2, В |
U3, В |
U4, В |
U5, В |
U6, В |
|
1 |
10 |
- |
20 |
- |
15 |
12 |
12 |
15 |
- |
20 |
- |
10 |
|
2 |
10 |
20 |
- |
20 |
15 |
12 |
12 |
15 |
20 |
- |
20 |
10 |
|
3 |
10 |
- |
- |
15 |
- |
12 |
12 |
- |
15 |
- |
- |
10 |
|
4 |
20 |
10 |
- |
15 |
- |
12 |
12 |
- |
15 |
- |
10 |
20 |
|
5 |
20 |
- |
- |
- |
20 |
10 |
10 |
20 |
- |
- |
- |
20 |
|
6 |
20 |
15 |
- |
20 |
15 |
20 |
20 |
15 |
20 |
- |
15 |
20 |
|
7 |
15 |
15 |
- |
- |
10 |
30 |
30 |
10 |
- |
- |
15 |
15 |
|
8 |
15 |
15 |
20 |
- |
- |
20 |
20 |
- |
- |
20 |
15 |
15 |
|
9 |
15 |
20 |
20 |
- |
15 |
10 |
10 |
15 |
- |
20 |
20 |
15 |
|
10 |
12 |
15 |
- |
20 |
15 |
20 |
20 |
15 |
20 |
- |
15 |
12 |
|
11 |
12 |
10 |
15 |
- |
- |
25 |
25 |
- |
- |
15 |
10 |
12 |
|
12 |
12 |
12 |
15 |
10 |
20 |
15 |
15 |
20 |
10 |
15 |
12 |
12 |
|
13 |
12 |
15 |
10 |
- |
- |
20 |
20 |
- |
- |
10 |
15 |
12 |
|
14 |
- |
15 |
20 |
10 |
15 |
30 |
30 |
15 |
10 |
20 |
15 |
- |
|
15 |
- |
20 |
- |
20 |
- |
30 |
30 |
- |
20 |
- |
20 |
- |
|
16 |
- |
20 |
20 |
40 |
- |
25 |
25 |
- |
40 |
20 |
20 |
- |
|
17 |
- |
20 |
15 |
10 |
20 |
10 |
10 |
20 |
10 |
15 |
20 |
- |
|
18 |
- |
- |
15 |
25 |
20 |
15 |
15 |
20 |
25 |
15 |
- |
- |
|
19 |
- |
- |
20 |
30 |
- |
20 |
20 |
- |
30 |
20 |
- |
- |
|
20 |
- |
- |
10 |
10 |
20 |
30 |
30 |
20 |
10 |
10 |
- |
- |
|
21 |
- |
- |
30 |
25 |
- |
10 |
10 |
- |
25 |
30 |
- |
- |
|
22 |
10 |
15 |
20 |
40 |
40 |
30 |
30 |
40 |
40 |
20 |
15 |
10 |
|
23 |
- |
10 |
10 |
15 |
- |
40 |
40 |
- |
15 |
10 |
10 |
- |
|
24 |
- |
20 |
20 |
20 |
- |
30 |
30 |
- |
20 |
20 |
20 |
- |
|
25 |
- |
20 |
20 |
40 |
- |
20 |
20 |
- |
40 |
20 |
20 |
- |
|
N |
Группа В |
Группа Г | ||||||||||
|
вар. |
U1, В |
U2, В |
U3, В |
U4, В |
U5, В |
U6, В |
U1, В |
U2, В |
U3, В |
U4, В |
U5, В |
U6, В |
|
1 |
- |
15 |
15 |
10 |
20 |
50 |
50 |
20 |
10 |
15 |
15 |
- |
|
2 |
30 |
- |
- |
15 |
10 |
20 |
20 |
10 |
15 |
- |
- |
30 |
|
3 |
30 |
- |
- |
20 |
30 |
10 |
10 |
30 |
20 |
- |
- |
30 |
|
4 |
- |
30 |
30 |
15 |
10 |
20 |
20 |
10 |
15 |
30 |
30 |
- |
|
5 |
- |
10 |
10 |
20 |
20 |
10 |
10 |
20 |
20 |
10 |
10 |
- |
|
6 |
15 |
20 |
- |
20 |
15 |
20 |
20 |
15 |
20 |
- |
15 |
20 |
|
7 |
15 |
15 |
- |
- |
10 |
30 |
30 |
10 |
- |
- |
15 |
15 |
|
8 |
15 |
15 |
20 |
- |
- |
20 |
20 |
- |
- |
20 |
15 |
15 |
|
9 |
20 |
15 |
20 |
- |
15 |
10 |
10 |
15 |
- |
20 |
20 |
15 |
|
10 |
15 |
12 |
- |
20 |
15 |
20 |
20 |
15 |
20 |
- |
15 |
12 |
|
11 |
10 |
12 |
15 |
- |
- |
25 |
25 |
- |
- |
15 |
10 |
12 |
|
12 |
12 |
12 |
15 |
10 |
20 |
15 |
15 |
20 |
10 |
15 |
12 |
12 |
|
13 |
15 |
12 |
10 |
- |
- |
20 |
20 |
- |
- |
10 |
15 |
12 |
|
14 |
15 |
- |
20 |
10 |
15 |
30 |
30 |
15 |
10 |
20 |
15 |
- |
|
15 |
20 |
- |
- |
20 |
- |
30 |
30 |
- |
20 |
- |
20 |
- |
|
16 |
20 |
- |
20 |
40 |
- |
25 |
25 |
- |
40 |
20 |
20 |
- |
|
17 |
20 |
- |
15 |
10 |
20 |
10 |
10 |
20 |
10 |
15 |
20 |
- |
|
18 |
- |
- |
15 |
25 |
20 |
15 |
15 |
20 |
25 |
15 |
- |
- |
|
19 |
- |
- |
20 |
30 |
- |
20 |
20 |
- |
30 |
20 |
- |
- |
|
20 |
- |
- |
10 |
10 |
20 |
30 |
30 |
20 |
10 |
10 |
- |
- |
|
21 |
- |
- |
30 |
25 |
- |
10 |
10 |
- |
25 |
30 |
- |
- |
|
22 |
15 |
10 |
20 |
40 |
40 |
30 |
30 |
40 |
40 |
20 |
15 |
10 |
|
23 |
10 |
- |
10 |
15 |
- |
40 |
40 |
- |
15 |
10 |
10 |
- |
|
24 |
20 |
- |
20 |
20 |
- |
30 |
30 |
- |
20 |
20 |
20 |
- |
|
25 |
20 |
- |
20 |
40 |
- |
20 |
20 |
- |
40 |
20 |
20 |
- |
Значения сопротивлений резисторов: R1=2 Ом, R2=4 Ом, R3=6 Ом, R4=8 Ом, R5=10 Ом, R6=12 Ом,
