V-7V R, 18 Q w = 66 Q w R-33 Q w R-370 w V + V R-57 Q + I=0.2 A R₁ = 5.2 kQ w R₂-3.6 kQ W A R₁ = 1.6 k R₁-7.2 ko www A Rs 8.1 kQ) R₁ = 50 Q R,-540 + Rg-92 Q V V R₁-2602 w V-0.2 V Rs 44 Q Vs V- V₁₂ R, 88 R = 35 92 V- R₁ =76Q w