Układ oporników prądu stałego, dane jest U, R1, R2, R3, obliczyć U1, U2, U3, I1, I2, I3 SCHEMAT: http://imgupload.pl/images/34042757969708075776.png

Dane: R1=10Ohm R2=20Ohm R3=30Ohm Uz=50V Oblicz: U1=? U2=? U3=? I1=? I2=? I3=? Rozwiązanie: [latex]U1=Uz=50V[/latex]   [latex]I1=frac{U1}{R1}[/latex]   [latex]I1=frac{50}{10}[/latex]   [latex]I1=5A[/latex]   [latex]I2=I3[/latex]   [latex]I_{2,3}=frac{Uz}{Rz_{2-3}}[/latex]   [latex]I_{2,3}=frac{50}{20+30}[/latex]   [latex]I_{2,3}=frac{50}{50}[/latex]   [latex]I_{2,3}=1A[/latex]   [latex]I=frac{U}{R}[/latex]   [latex]U=I*R[/latex]   [latex]U2=I2*R2[/latex] [latex]U2=1*20[/latex] [latex]U2=20V[/latex]   [latex]U3=I3*R3[/latex] [latex]U3=1*30[/latex] [latex]U3=30V[/latex]