U1=I1×R1=2×4=8 (B)
U1=U2
I2=U1/R2=8/6=1.3 (B)
I12=I1+I2=8+1.3=9.3 (B)
I12=I3=I4
U4=I4×R4=9.3×5=46.5 (B)
P4=U4×I4=46.5×9.3=432.45 (Bт)
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U1=I1×R1=2×4=8 (B)
U1=U2
I2=U1/R2=8/6=1.3 (B)
I12=I1+I2=8+1.3=9.3 (B)
I12=I3=I4
U4=I4×R4=9.3×5=46.5 (B)
P4=U4×I4=46.5×9.3=432.45 (Bт)