1. | . | 1. |
2. | . | 5. R = const |
3. | . | 4. I = U / R, U = I×R, R = U / I |
4. | . | 1. S I = 0, |
5. | . | 2. S U = S E, |
6. | -. | 3. W = I2 R t, P = I2 R |
7. | . R1 = 2 , R2 = 3 , R3 = 5 , | 4. RS = 10 |
8. | . g1 = 1 , g2 = 1 | 3. gS = 2 |
9. | . R1 = 5 , R2 = 5 | 4. RS = 2.5 | |
10. | . R1 = 5 , R2 = 5 , R3 = 5 | 5. RS = 7.5 | |
11. | . R1 = 5 , R2 = 15 , R3 = 15 , R3 = 15 | 2. RS = 10 | |
12. | c R1. R1 = 5 , R2 = 5 , R3 = 5 , U = 75 B. | 4. I = 10 A. | |
13. | R2 | 1. U2 = 75 B. 2. U2 = 50 B 3. U2 = 25 B 4. U2 = 55 B 5. U2 = 22 B | |
14. | 2 3. | 1. g2,3 = 0.2 . 2. g2,3 = 10 . 3. g2,3 = 5 . 4. g2,3 = 0.1 . 5. g2,3 = 0.4 . | |
15. | 1 | 2. P1 = 500 |
16. | . | 3. , |
17. | . | 1. , |
18. | . | 5. |
19. | . | 4. |
20 . | 1. , , |
21 . | 2. , |
22 . | 5. , |
23 . | 3. |
24 . | 4. , , |
25 . | 1. |
26 . | 2. |
27 . R = 10 , Z1 = j10 Z2 = - j10 | 1. 10 . |
28 . U = 100 B. | 5. 10 A. | |||||
29 .U = 100 B. R = 2 , Z1 = jwL = j10 , Z2 = = -j10 | 2. 500 . | |||||
30 . U = 100 B. R = 10 , Z1 = jwL = j20 , Z2 = = -j10 | 3. 1000 . | |||||
31 . | 1. 1000 . | |||||
32 . | 1. 500 . 2. 1000 . 3. 100 . 4. 1000 . 5. 380 . | |||||
33 . | 1.
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34 . | 2 | |||
35 . | 3 . | |||
36 | 2. L C . | |||
37 . | 1. , | |||
38 R, L, . |
5.
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39 R, L, . | 1. | |||
40 j R, L, C |
2.
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41 w = 2p f = 314, U = 100 B R = 1 , XL = 20 , X = 20 | 1. I = 100 A, UL = 2000 B. | |||
42 | 1. L C . |
43 . | 4. | |||
44 L, |
4.
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45 L, | 3. | |||
46 j L, |
4.
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47 | 5. |
48 . | 1. |
49 . | 2. , |
50 . | 4. , |
51 . | 1. , , |
52 . | 5. |
53 . | 1. |
54 . | 1. |
55 . | 3. , |
56 . | 4. , , . |
57 | 1. . |
58 - . | 1. , |
59 . | 1. 2. 3. 4. 5. |
60 ( ). | 1. , |
61 | 1. , 2. , 3 , 4. , 5. |
62 | 1. , |
63 AM | 1. , 2. , 3. , 4. , 5. |
64 | 1. , 2. (1-s), 3. , 4. , 5. |
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65 . | 1. , |
66 . | 1. , |
67 . | 4. , |
68 . | 2. , |
69 | 1. . |
70 . | 1. 2. . 3. . 4. . 5. . |
71 . | 5. , . |
72 () - | 3. , , .. |
73 . | 2. . |
74 . | 3. , P = U×I |
.. | 4. 0 . |