- 5


. 12.6

. 12.7

. ­ 10 - (. 12.8). VT1 , , , ­ , VT1. VT2. . R1C1 R2C2. t=R1C1(U1/U2)=0,5.105.104 = 5c.

. 12.8

. 12.9

- . (. 12.9, ). f=UBX/4WBS10-8, ­; 5 (2); W .

­ 0,5 5 , ­ 50 250 . 50 /. . . 50, 34. 65, 8% 50 +50 . 79, 80 10%. . 12.9,6 ­.

. 12.10

. 12.11

. (. 12.10, ) .