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- = (, , z) = 3 + z. = 2, = 3, z = 7 , .
- λ=0,15 /(∙). 0,5 . 37C, 25C. . .
- 100 50 /2. , 0,155 /∙
- d1/ d2 = 8 / 9 λ= 20 /∙. t 1=25 , t 2= 35 . .
- d1/d2 = 8/9 δ =2 . λ1=50 /∙, λ2=0,1 /∙. t 1 = 50 , t3 = 25 . t 2.
- . b1, , λ1, n1. b2, λ2, n2. .
- R1 R2, . 1 2 = 31. , .
- R1 R2, . 1 2 = 21. , .
- D1 D2, 1 2 =1,2 1
- 300 /, = 2 / ( , 20) 27.
- , = 2 20. = 15.
- = 2 , 5 . 1 .
- , Na+ ,K+ 37, = 60 ; 360, 10 /; 69, 425 /.
- |,| 37, , . - 23 150 /. R=8,31 / ∙. F=9,65∙104 /.
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- = 40 =1,6 . 27, 70, 425 /. . = , , 1/ .
- , 70 .
- 35 . 40 , 70 .
- , 10 , 0.05 /2 5 2.
- 1,5 /c. n = 1019 3. . , , S = 0,3 2.
11. , , q = 2∙109 l = 2 , , r = 20 , r = 60. . = 81. =8,854∙10-12 /.
12. = 20 /, p = 1,84 ? (1 Ļ 3,36×1030 ×).
13. I1 I2. L . , L/3 2L/3.
14. I1 I2. L . , L/2.
15. 䳭 20 c , 5 .
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16. 30 /. , , 10 .
17. , S = 400 2, = 102 = 0,1 .
18. = 0,25 1,4 , 䳺 2,1 . , 12 .
19. 3 10 . .
20. 80 160 . , , 0,6 .
21. =3,75 . : =1,5105 , = 0,05 /.