Page 5 - 6- اجابات نيوتن

‫إجابات‬
‫الفصل‬
‫الأول‬

R  V  0.8  0.4
I2

   30  25105 1.m1
RA 0.4  0.3104

----------------------------------------------

R  e   5107  30  0.5 
RA 0.3 104

R\ = 8.5 + 0.5 = 9 

I  VB  18  1.8 A
R  r 91

----------------------------------------------

V = VB = 6 V
I=

I  VB  6  0.6 A
R  r 10

V = I R = 0.6  8 = 4.8 V
----------------------------------------------

I  VB  12  2 A
Rr 42

I  12  3A ----------------------------------------------
22 4.5 , R
= 3  1.5 A
2 R=9

I1R = I2  4.5
1  R = 2 4.5
VB = V = 1  9 = 9 V

5