• 2022-06-18
    在如下图所示电路中,利用戴维南定理求解流过R3的电流i3【图片】
    A: i3 =uoc/(R 3+Req)==(us1R2 +us2R1)/(R1+R2)*(R1+R2 +R3)
    B: uoc= (us1R2 +us2R1)/(R1+R2)Req=R1//R2=R1R2/(R1+R2)
    C: uoc= (us1R2 +us2R1)/(R1+R2)Req=R1+R2
    D: i3=uoc/(R3+Req)==(us1R2+us2R1)/(R1R2+R2R3+R1R3)