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( 600 ) ( 1500 ). , , 0,5; 1; 3; 7,5; 15 30 .
5.1. I 1 I 2 (. 5.1, ) I A = 50 , R A = 1,0 . R 1 = 0,9 ; R 2 = 0,1 .
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I 1 R 1 = R 1 + R 2, I 2 R 1 R A, R 2.
5.2. 50 R A = 0,5 . , , U = 75 .
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5.3. 100 R = 0,001 . , I A = 25 A. .
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R A = R (n 1) = 0,001 (I / I A 1) = 0,001[(100 A / 25 10 3) 1] = 4 .
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5.4. R 1, , R 4 (. . 5.2, ), U 1 = 30 B, U 2 = 50 B, U 3 = 100 B U 4 = 200 B, 10 , 400 .
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R = RV (n 1), n = U/ (IVRV).
(30 ) R 1 = R 1; (50 ) R 2 = R 1 + R 2; (100 ) R 3 = R 1 + R 2 + R 3; (200 ) R 4 = R 1 + R 2 + R 3 + R 4;
n 1 = 30 B/( n 2 = 50 B/4 B = 12.5; n 3 = 100 B/4 B = 25; n 4 = 200 B/4 B = 50.
R 1 = R 1 = RV (n 1 1) = 400(7,5 1) = 400 ; R 2= R 2 R 1 = 400(12,5 1) 2600 = 4600 2600 = 2000 ; R 3 = R 3 R 2 = 400(25 1) 4600 = 9600 4600 = 5000 ; R 4 = R 4 R 3 = 400(50 1) 9600 = 19600 9600 = 10000 .
5.5. 7,5 RV = 200 . , 600 .
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R = RV (n 1); n = 600 B / 7,5 B= 80.
R = 200(80 1) = 15,8 .