Rобщ=R1+R2=4Om+2Om=6Om
U=U1=U2=Iобщ * Rобщ=1,5А * 6 ОМ=9В
I1=U:R1=9B: 4Om=2,25 A
P1=I^2R1=5,0625A^2 * 4 Om =20,25Вт
R=R1R2/R1+R2
R=8/6=1.3OM
I=U/R
U=IR
U=1.3*1.5=1.95
P=IU
P=2.925вт
Rобщ=R1+R2=4Om+2Om=6Om
U=U1=U2=Iобщ * Rобщ=1,5А * 6 ОМ=9В
I1=U:R1=9B: 4Om=2,25 A
P1=I^2R1=5,0625A^2 * 4 Om =20,25Вт
R=R1R2/R1+R2
R=8/6=1.3OM
I=U/R
U=IR
U=1.3*1.5=1.95
P=IU
P=2.925вт