2. . . . Ȼ
1. I1 = 10 A I2 = 15 . = 10 . , r1 = 8 r2 = 6 .
2. R = 10 . , = 1 .
3. R = 5 h = 20 . , = 0,1 .
4. l = 3 I = 500 . d = 10 . .
5. l = 0,1 , 300 , . I = 1 A. .
6. , x = Asinwt, = 5 ; w = 2 -1. ( ), = 10-4 , F = 5×10-3 . .
7. , x1 = A1sinw1t y2 = A1cosw2t, A1 = 8 ; A2 = 4 ; w1 = w2 = 2 -1. . .
8. . , I , . . . a 48,9 /.
9. N1 N2 , a = 60. , I0 : 1) N1; 2) . k =0,05. .
10. , . j = 97 . n1 , .
11. . d = 2 . , (l1 = 0,7 ) l2 = 0,41 ) .
12. S1 S2 (l = 0,8 ) . . (n = 1,33), . dmin ?
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13. h , . , . ?
14. l 1 = 20 , C1 = 10%, j1 = 13,3. , l 2 = 15 , j2 = 5,2. C2 .
15. = 20 (l = 500 ). , l = 1 . , .
16. , λ = 484 .
28. a0 v . .
29. α , , . , l , α - M.
30. , λ=97,5 ?
31. , .
32. l . (0 ≤ x ≤ l).
33. , , .
34. 3d R(r) = a3r2e-r/(3r1). , .
35. . .
36. v (Z=1, n=3).
37.
38. 1/2 , t = 10 24% .
39. Δ=3,27 . , 3,34461 10-27 .