Помогите срочно срочно

Question

Помогите срочно срочно

---

Comments

Кто не будь поможет?

Answer 1

Rобщ=R1+(R4*(R2+R3))/(R4+R2+R3)
Iобщ=Uобщ/Rобщ
I1=Iобщ
U234=Iобщ*(R4*(R2+R3))/(R4+R2+R3)
I4=U234/R4

Comments

I2=I3=U234/(R2+R3)

---

Q=(Iобщ)^2*Rобщ*120*60