例3求图示电路的零输入响应u取，己知uc(0-)=10V。 +(0) 402 F-c1002 602uR uc(0+)=uc(0-)=10V uR(04)=0.6uc(0+)=6V 4c+6-0(0) 4 dt +50 (动+0加0"e0 uc=10e云·（伦0) duc =0 -0+h+) -6e号i (0) 0+会0 ֻ3 ≲മ⽪⭥䐟Ⲵ䴦䗃ޕ૽ᓄuRˈᐢ⸕uC(0-)=10VDŽ uR + - 1 4 F 100: 60: 40: uC + - (t=0) 1 4 =0 duC dt uC 50 + ˄t!0˅ uC=10e - 25 ˄tt0˅ 2 t uR=6e - 25 2 t ˄t!0˅ uC(0+ )=uC(0-)=10V uR(0+ )=0.6uC(0+ )=6V 60 1 1 40 1 40 ( + )uR– uC=0 1 40 1 40 – uR+( + )uC+ =0 4dt duC 100 1 dt duR 2 25 + uR=0