.


:




:

































 

 

 

 


. :




:

2102, 102.............................50

2102, 102...........................................................................100

2102, 102..........................................................................150

2102, 102...........................................................................200

 

.......5

, 25 񅅅20

..................................................50

, 25 񅅅....20

 

50 , =298 :

τ ≤ 10 ........................................5
τ ≤ 100 .....3

τ ≤ 1000 񅅅.........................................0,5

 

, 25 ... 100

213 ( 233 102, 102, 102, 102) 343 ........... 0,16

 

104, 2104, 2104, 2104, 104, 104, 104, 104

- -n--n . .

. .

1,2 ..

I = 100 , I = 25 , T=213 (233 104, 104, 104, 104) 298 , 充....2

U = 10 , I = 25 , f = 50 , τ1 = 3 , =213 (233 104, 104, 104, 104), 充.2

,

: 213 398 ..0,5

U = 10 , I = 25 , f = 50 , τ1 = 3 , :

213 20

298 ʅ5

, f = 50 , τ1 = 3 , = 398 , ............................................................................................0,02

U = 10 , I = 25 , =213 (233 104, 104, 104, 104),

充. 20

 

f = 50 ....10 /

10 , 50 , :

213 343 .30

50 : < 10 ...........................3

τ ≤ 10 .........................................3
τ ≤ 100 ..1

τ ≤ 1000 񅅅.........................................0,5

:

2104, 104.............................................................................15

2104, 104............................................................................30

2104, 104............................................................................60

2104, 104..........................................................................100

...................................................6

..........................................10

c

213 343 ʅ....................................100

358 .....................................................................................27

.....................................................25

 

101, 3101, 3101, 3101,

101, 101, 101, 101,

101

. . , . .

1,1 .

 

I = 10 , :

101, 101, 101,101Å1,5 101.........................................................................................1,8

I = 10 , :

101, 101, 101.....................................................1%

101, 101.......................................................................1,2%

101, 101, 101.....................................................1,5%

101..........................................................................................0,7%

, :

101, 101, 101, 101, 101........... 2

101, 101......................................................................8

101......................................................................................10

101.......................................................................................5

I = 20 , :

101, 101...................................................................100

101......................................................................................250

101, 101, 101, 101Å...500 101, 101...................................................................1000

100 , :

101, 101, 101, 101, 101, 101, 101, 101ą.109 101...................................................................................5∙109

, ........................................................2





:


: 2016-10-06; !; : 483 |


:

:

.
==> ...

1629 - | 1601 -


© 2015-2024 lektsii.org - -

: 0.015 .