A.= 0.2Ui, 0
B. 0.2Ui, 0.2Ui
C. 0.2Ui, 0.8Ui
D. 0.2Ui, Ui
[单选题]图示电路中,换路前UC(0-)= 0.2Ui,UR(0-)=0,电路换路后UC(0+)和UR(0+)分别为( )。A.= 0.2Ui,0B.0.2U
[单选题]图示电路中,换路前UC(0-)= 0.2Ui,UR(0-)=0,电路换路后UC(0+)和UR(0+)分别为( )。A.= 0.2Ui,0B.0.2U
[单选题]图示电路中,换路前UC(0-)= 0.2Ui,UR(0-)=0,电路换路后UC(0+)和UR(0+)分别为( )。A.= 0.2Ui,0B.0.2U
[单选题]图示电路中,换路前UC(0-)= 0.2Ui,UR(0-)= 0,电路换路后UC(0+)和UR(0+)分别为( )。A.=0.2Ui,0B.0.2U
[单选题]图示电路中,换路前UC(0 - )= 0.2Ui,UR(0 - )= 0,电路换路后UC(0+)和UR(0+)分别为( )。A.= 0.2Ui,0B
[单选题]如图7-36所示电路,换路前UC(0-)=0.2U1,U(0-)=0,求电路换路后UC(0+)和U(0+)分别为()。A . UC(0+)=0.2U1,U(0+)=0B . UC(0+)=0.2U1,U(0+)=0.2U1C . UC(0+)=0.2U1,U(0+)=0.8U1D . UC(0+)=0.2U1,U(0+)=U1
[单选题]题9图所示电路中,开关S在t=0瞬间闭合,若uC(0-)=0V,则iC(0+)为( )A。题9图A.1.2B.0C.2.4D.3.6
[单选题]图示电路,t=0时,开关S由1扳向2,在t≤0时电路已达稳态,电感和电容元件的初始值i(0+)和uC(0+)分别是()。A.4A,20VB.4A,15
[单选题]题21图所示电路uC1(0-)=0V,uC2(0-)=10V,当t=0时闭合开关S后,uC2应为( )V。以上各式中τ=2μs。题21图A.B.C.
[单选题]题21图所示电路在换路前处于稳定状态,在t=0瞬间将开关S闭合,则i(0+)为( )A。题21图A.0B.0.6C.0.3D.0.03