" "

1.

10 , 50 , 0,1? .

:

:

:

.

= 10 ,
I
= 50 ,
L
= 0,1 ,
a
= 90 .

F = IBLsina.

F = 50 A * 10 * 0,1 * sin(90) =
= 50 * 0,01 * 0,1 * 1 =
= 0,05 * * / * =
= 0,050 = 50 .

F-?

 

: F = 50 .

: , 1 = 1 / * .
_______________________________________________________________________________________

2.

, 5 50 ? 25 . .

:

:

:

:

L = 5 = 0,05 ,
I = 25 ,
F = 50 =
= 0,050 ,
I.

F = B * I * L* sin a
B = F / I * L * sin a

B = 0,05 / 25 * 0,05 =
= 1 / 25 =
= 0,04 =
= 40 .

- ?

 

: B = 40 .


____________________________________________________________________
.

( 20 )


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