用叠加原理求:I=()A[img=261x174]17e0bda201ad7dd.png[/img]
A: 1
B: 2
C: 3
D: 4
A: 1
B: 2
C: 3
D: 4
举一反三
- 求如图所示电路中4Ω电阻的电流 I。(用叠加原理求解)[img=240x133]17e44a98dbdc69d.png[/img]
- 用叠加原理求如图所示电路中的I。[img=242x143]17e0cf2398711f3.png[/img]
- 求极限[img=73x38]17e44522ad54f08.jpg[/img]( ) A: 0 B: 3/7 C: 7/3 D: 1
- Public Sub Proc(a%( )) Static i% Do a(i) = a(i) + a(i + 1) i = i + 1 Loop While i < 2 End Sub Private Sub Command1_Click( ) Dim m%, i%, x%(10) For i = 0 To 4: x(i) = i + 1: Next i For i = 1 To 2: Call Proc(x): Next i For i = 0 To 4: Print x(i);: Next i End Sub A: 3 4 7 5 6 B: 3 5 7 4 5 C: 2 3 4 4 5 D: 4 5 6 7 8
- 设随机变量X服从分布[img=219x29]1803aabfb46c4a5.png[/img],求D(X). A: 1 B: 2 C: 3 D: 4