R1=U1额^2/P1额=48400/100=484Ω
R2=U2额^2/P2额=48400/40=1210Ω
串联后
I总=U/(R1+R2)=220/(484+1210)=220/1694
P1=I^2*R1=(220/1694)^2*484=8.16W
R1=U1额^2/P1额=48400/100=484Ω
R2=U2额^2/P2额=48400/40=1210Ω
串联后
I总=U/(R1+R2)=220/(484+1210)=220/1694
P1=I^2*R1=(220/1694)^2*484=8.16W