Ответы на вопрос:
Rобщ=r1.2+r5+r3.4=1.2+0.8+2=4
r1.2= r1*r2/r1+r2 = 2*3/2+3 = 1.2 ом
r3.4= r3*r4/r3+r4 = 4*4/4+4 = 2 ом
iобщ=uобщ/rобщ =4/4 =1 а =i1.2=i5=i3.4
u1.2=i1.2*r1.2=1*1.2= 1.2b
i1= u1.2/r1 = 1.2/2 = 0.6 a
i2= u1.2/r2 = 1.2/3 = 0.4 a
u3.4=i3.4*r3.4=1*2=2b
i3= u3.4/r3 = 2/4 = 0.5 a
i4 = u3.4/r4 = 2/4 = 0.5a
i5=1a
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