>> . 10-11 .

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1. q1 = 2 10-8 q2 = 10-8 ( = 2,1) r1 = 0,04 . , 2 = 0,02 ?

2. q1 = -2 10-9 q2 = 10-9 , = 8 (. 1.95). D , , MD = /2. q = 2 10-8 D .

3. m = 10-11 , d = 5 . . . , U1 = 154 , , , U2 = 8 ?

4. q = 20 . . , R1 = 15 R2 = 5 ? .

5. N φ1. φ , ?

6. q1 q2 m1 m2 . , r1, r2 ?

7. , . , r υ1 = 3/; , υ2 = 4 /. , r, .

8. υ1 = υ2 = υ L . α , . ?

9. , q , . R, Q, . , ?

10. m = 1 , q = 10-7 , υ = 1/ , Q = 3 10-7 . ?

11. , = 4 102 / = 3 102 /. , L = 2,7 2 . .

12. , q = -2 10-8 , = 10 . , ?

13. q1 = -1,7 10-8 q2 = 2 10-8 q0 = 3 10-8 l1 = 2 l2 = 5 . , q1 q2?

14. R, 2R, 3R . +q. , . q1 .

15. , φ1, φ2. , ?

16. R1 = 2 q1 = 4 10-8 . R2 = 5 , q2 = -4 10-8 . φ L = 4 .

17. R1 = 1 q2 = 2 10-8 . R2 = 5 . q2 = -4 10-8 . Δφ, .

18. , q m, . , ?

19. +q. , , d . , , . 20. q l . , , l?

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