Calcular R1 y R3
Tarea de ley de ohm
![Calcular R1 y R3 Tarea de ley de ohm class=](https://es-static.z-dn.net/files/df1/fc2fec8cc65bf19da5fd07d7395b8234.png)
Respuesta:
R1 = ?
R2 = 20
R3 = ?
V = 60v
I = 9A
V1 = 40v
V3 = 60v
V2 = 20v
I = V/R
V = IR
V1/V2 = (I1/R1)/(I2*R2)
I1 = I2
2 = R1/R2
R1 = 40
R12 = 60
I12 = 60v/60
I12 = 1A
1A + I3 = 9A
I3 = 8A
R = V/I
R3 = 60/8
R3 = 7.5
Explicación: