如图所示电路,求电容电流初始值[img=56x33]17da6bb67d442e9.png[/img]=()[img=407x178]17da6bb68a95566.png[/img]
A: -0.25mA
B: -0.2mA
C: 0.2mA
D: 0.25mA
A: -0.25mA
B: -0.2mA
C: 0.2mA
D: 0.25mA
举一反三
- 图示电路,当ui=6.6V时,i1=()mA,i2=()mA[img=538x343]18032a8be633a0c.jpg[/img] A: 0.2 B: 0.1 C: -0.1 D: -0.2
- 图示电路,当ui=6.6V时,i1=()mA,i2=()mA[img=538x343]17de89b34e0b7cc.jpg[/img] A: 0.2 B: 0.1 C: -0.1 D: -0.2
- 电路如图所示,试计算电流I。[img=612x268]17d60067e947ca4.png[/img] A: 3 mA B: 4 mA C: 2mA D: 1 mA
- 电流源电路如图所示,VDD = VSS =5V,T1~T3的VTN = 2V,l = 0,而Kn1 = Kn3 = 0.25 [img=45x17]17de764eeaf8a32.jpg[/img],则IREF = mA和IO = mA。[img=189x237]17de764effa58b4.jpg[/img] A: 2.25,0.9 B: 22.5,0.9 C: 1,0.1 D: 5,0.2
- 如下图所示的超声速钝体扰流,1、2区马赫数分别为( )[img=478x484]180348f21ccc472.png[/img] A: Ma<1 Ma<1 B: Ma>1 Ma>1 C: Ma<1 Ma>1 D: Ma>1 Ma<1