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‫نيوتن فى تدريبات الفيزياء‬

Rm = V - Vg = 10Vg - Vg = 9IgR g  9R g = 2700 
Ig Ig Ig

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Ig Rg  I = 0.005 A
Rs = I - Ig

1  10-3  4
1 = I - (1  10-3)

R = 14 = 0.8 
1+4

V = I (R + Rm)

V = 0.005  (0.8 + 999.2) = 5 V

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I  RO  1  RO
Ig RO  RX 5 RO 12000
5 RO = Ro + 12000
 I  RO  RO = 3000 
 I  3000  2
Ig RO  RX
Ig 3000 1500 3
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I  Ro  1 R
Ig Ro  RX 8 R  RX
 8R = R + RX
 R 1  7R = RX

RX 7 ----------------------------------------------

05