2.RLC串联电路的阻抗 R joL ++r-+4L ++R+0 1 Uc joC a 由KVL: -tat-Ritimi-ci =[R+j(@L-)]i=[R+j(X:-Xc)]i =(R+jX)i 2、 U R+L-jaC=R+x=Zc贝