Question

用戴维南定理求负载电路RL上消耗的功率PL.求详细过程.

Answer 1

4I1+12(I1+2)=404I1+2=10I1=2AUo=6x2-4x2=4VRs=12//4+6=3+6=9ΩIL=Uo/(Rs+RL)=4/(9+1)=0.4AP=RLI²=1x0.4²=0.16W