CIRCUITO PARALELO

R1: 10 Ω

R2: 20 Ω

Vcc: 9 V

Rt: 10 · 20 / 10 + 20

Rt: 200 / 30

Rt: 6,6 Ω

It: Vr / Rt

It: 9 V / 6,6 Ω

It: 1,36 A

IR1: V / R1
IR1: 9 / 10
IR1: 0.9 A

IR2: V / R2
IR2: 9 / 20
IR2: 0.45 A

IR1 + IR2: IT
0.9 + 0.45: 1,36 A