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́ ́ . 1879 .

. . . [1] , .

, , . , :

:

.

( ) . , . (, , , , , , ), , .


. (17741862) . (17911841). . .

-- I, d l (. 1) dB,

(1)

dl - , d l , r - -, d l , r - - r. dB dl r, . . , , . : dB, .

dB (2), α dl r.

(. 166). , - . , dB . R - (sinα=1), , (2),

,

 

, , . , . , B .

5 . I = 0,55.

  3    

:

N =200

l()=67

d = 25

n=200/0.067=2985/

 

:

Bx=0*I*n*(cosβ1+cosβ3)/2 .

, -30 -5   8,75 17,5 26,25   43,75 52,5 61,25      

1. B1=4π*10-7*0,55*2985*(-0,923+0,992)/2=0,069*10-3()

2. B2=4π*10-7*0,55*2985*(-0,371+0,986)/2=0,615*10-3()

3. B3=4π*10-7*0,55*2985*(0+0,989)/2=0,984*10-3()

4. B4=4π*10-7*0,55*2985*(0,574+0,987)/2=1,5*10-3()

5. B5=4π*10-7*0,55*2985*(0,813+0,972)/2=1,78*10-3()

6. B6=4π*10-7*0,55*2985*(0,903+0,961)/2=1,86*10-3()

7. B7=4π*10-7*0,55*2985*(0,942+0,942)/2=1,88*10-3()

8. B8=4π*10-7*0,55*2985*(0,962+0,903)/2=1,86*10-3()

9. B9=4π*10-7*0,55*2985*(0,972+0,813)/2=1,78*10-3()

10. B10=4π*10-7*0,55*2985*(0,987+0,574)/2=1,5*10-3()

11. B11=4π*10-7*0,55*2985*(0,989+0)/2=0,984*10-3()

12. B12=4π*10-7*0,55*2985*(0,986-0,371)/2=0,615*10-3()

13. B13=4π*10-7*0,55*2985*(0,992-0,923)/2=0,069*10-3()

 

 



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