网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)

某电路中两条支路的电流分别为:I1=3A,I2=-5A,正确的说法是()

  • A、与的方向相反
  • B、大于
  • C、的实际方向与规定方向相同

参考答案

更多 “某电路中两条支路的电流分别为:I1=3A,I2=-5A,正确的说法是()A、与的方向相反B、大于C、的实际方向与规定方向相同” 相关考题
考题 设有命令按钮Command1的单击事件过程,代码如下:Private Sub Command1_Click()Dim a(3,3)As IntegerFor i=1 To 3For j=1 To 3a(i,j)=i*j+iNext jNext iSum=0For i=1 To 3Sum=Sum+a(i,4-i)Next iPrint SumEnd Sub运行程序,单击命令按钮,输出结果是( )。A.20B.7C.16D.17

考题 ( 22 )命令按钮 Command1 的单击事件过程的代码如下:Private Sub Command1_Click( )Dim a(3 , 3)As IntegerFor i=1 To 3For j=1 To 3a(i , j)=i*j+iNext jNext iSum=0For i=1 To 3Sum=Sum+a(i , 4-i)Next iPrint SumEnd Sub运行程序,单击命令按钮,输出结果是( )。A ) 20B ) 7C ) 16D ) 17

考题 有一过程如下:Sub Sub1(m As Integer,total As Long)Dim i As Integertotal=1For i=1 To mtotal=total*iNextEnd Sub调用它的事件过程如下:Private Sub Command1_Click()Dim tot As Long,a As Integera=Val(InputBox("请输入数据"))Call Sub1(a,tot)Print totEnd Sub则输入数据5,运行结果为【 】。

考题 以下能够正确计算n!的程序是( )。A.Private Sub Command1_Click()n=5: x=1Dox=x * II=I + 1Loop While I nPrint xEnd SubB.Private Sub Command1_Click()n=5: x=1: I=1Dox=x * II=I + 1Loop While I nPrint xEnd SubC.Private Sub Command1_Click()n=5: x=1: I=1Dox=x * II=I + 1Loop While I =nPrint xEnd SubD.Private Sub Command1_Click()n=5: x=1: I=1Dox=x * II=I + 1Loop While I nPrint xEnd Sub

考题 在窗体上画一个名称为Conunandl的命令按钮,然后编写如下程序:Private Sub Commandl_Click()Dimi As Intege,j As IntegerDima(10,10)As IntegerFori=1 To 3Forj=1 To 3a(i,j)=(i-1)*3+jPrinta(i,j);NextjPrintNextiEnd Sub程序运行后,单击A.B.C.D.

考题 阅读程序: Sub p( b () As Integer)For i =1To 4 b(i) = 2(iNext i End Sub Private Sub Command1_Click()Dim a (1 To 4) As Integer a(1)=5 a(2)=6 a(3)=7 a(4)=8 call p (a) For i=1 To 4 Print a(i) Next iEnd Sub运行上面的程序,单击命令按钮,输出结果为。

考题 设有以下窗体单击事件过程:Private Sub Form_C1ick( )a=1For i=1 To 3Select Case ICase 1,3a=a+1Case 2,4a=a+2End SelectNext IMsgBox aEnd Sub打开窗体运行后,单击窗体,则消息框的输出内容是______。

考题 以下能够正确计算n!的程序是A.Private Sub Command1 Click() n=5:x=1 Do x=x * I I=I + 1 Loop While I < n Print x End SubB.Private Sub Command1_Click() n=5:X=1:I=1 Do X=X*I I=I + 1 Loop While I <n Print x End SubC.Private Sub Command1_Click() n=5:X=1:I=1 Do X=X * I I=I + 1 Loop While I<=n Print X End SubD.Private Sub Command1_Click() n=5:X=1:I=1 Do x=x * I I=I + 1 Loop While I>n Print X End Sub

考题 设有以下窗体单击事件过程:Private Sub Form_Click()a=1For i=1 To 3Select Case iCase 1,3a=a+1Case 2,4a=a+2End SelectNext iMsgBox aEnd Sub打开窗体运行后,单击窗体消息框的输出内容应为【 】。

考题 下面程序的执行结果是______。 #define MAX 10 nt a[MAX],i; main() { printf("\n"); sub1();sub3(A) ; sub2();sub3(A) ; } sub1() {for(i=0;i<1MAX;i++) a[i]-i+i; } sub2() {int a[MAX],i,max; max=5; for(i=0;i<max;i++) a[i]=i; } sub3(int a[]) { int i; for(i=0;i<MAX;i++) printf("%d",a[i]); printf("\n"); }A.0 2 4 6 8 10 12 14 16 18 0 1 2 3 4B.0 1 2 3 4 0 2 4 6 8 10 12 14 16 18C.0 1 2 3 4 5 6 7 8 9 0 1 2 3 4D.0 2 4 6 8 10 12 14 16 18 0 2 4 6 8 10 12 14 16 18

考题 设有下列窗体单击事件过程:Pfivate Sub Form_Click()a=1For i=1 To 3Select Case ICase 1,3a=a+1Case 2,4a=a+2End SelectNext IMsgBox aEnd Sub打开窗体运行后,单击窗体,则消息框的输出内容是______。

考题 设有以下窗体单击事件过程:Private Sub Form_Click()a=1For i=l To 3Select Case iCase 1,3a=a+1Case 2,4a=a+2End SelectNext iMsgBox aEnd Sub打开窗体运行后,单击窗体,则消息框的输出内容是______。

考题 在窗体上画一个名称为CoilTlilandl的命令按钮,然后编写如下事件过程: Private Sub command1 Click() Dim m As Integer, i As Integer, x(3)As Integer For i=0 To 3:x(i)=i:Next i For i = 1 To 2: Call sub1(x,i):Next i For i = 0 To 3: Print x(i);: Next i End Sub Private Sub sub1(a()As Integer,k As Integer) Dim i As Integer Do a(k)=a(k)+a(k+1) j = j + 1 Loop While j < 2 End Sub 程序运行后,单击命令按钮,则窗体上显示的内容是A.0 3 7 5B.0 1 2 3C.3 2 4 5D.0 5 8 3

考题 以下能够正确计算1+2+3+…+10的程序是A.Private Sub Command1_Click() Sum=0 ForI=1 To 10 Sum=Sum+I Next I Print Sum End SubB.Private Sub Command1_Click() Sum=0,I=1 Do While I<=10 Sum=Sum+I I=I+1 Print Sum End SubC.Private Sub Command1_Click() Sum=0: I=1 Do Sum=Sum+I I=I+1 Loop While I<10 Print Sum End SubD.Private Sub Command1_Click() Sum=0: I=1 Do Sum=Sum+I I=I+1 Loop Until I<10 Print Sum End Sub

考题 Private Sub Commandl Click()Dim i As Integer, j As IntegerDim a (10,10)As IntegerFor i=1 To 3For j= i To 3a(i,j)=(i-1)*3+jPrint a (i,j);Next jPrintNext iEnd Sub程序运行后,单击命令按钮,窗体上显示的是( )。

考题 编写如下事件过程: Private sub sub1 (ByVal x1 As String, y1 As String) Dim xt As String Dim i As Integer i = Len(x1) Do While i>= 1 xt = xt + Mid(x1, i, 1) i=i-1 Loop y1 = xt End Sub Private Sub Form. Click() Dim s1 As String, s2 As String s1= "teacher" sub1 s1, s2 Print s2 End Sub 程序运行后,单击窗体,则窗体上显示的内容是A.rehcaetB.tahreeeC.themeeD.eerthea

考题 编写如下事件过程: Option Base 1 Private Sub Form Click() Dim x1()As Integer Dim i As Integer Dim s As Integer ReDim x1(3) For i = 1 To UBound(x1) x1(i)=i + 1 Next i Call sub1(x1) For i = 1 To UBound(x1) s = s + x1(i) Next i Print s End Sub Private Sub sub1(n()As Integer) Dim i As Integer ReDim Preserve n(5) For i = 3 To 5 n(i)=n(i-1)*2 Next i End Sub 程序运行后,单击窗体,则窗体上显示的内容是A.6B.12C.24D.47

考题 以下能够正确计算n!的程序是______。A.Private Sub Commeadl_Click() n=5: x=1 Do x=x*i i=i+1 Loop While i<n Print x End SubB.Private Sub Command1_Click() n=5: x=1: i=1 Do x=x*i i=i+1 Loop While i<n Print x End SubC.Private Sub Command1_Click() n=5: x=1: i=1 Do x=x*i i=i+1 Loop Whilei<=n Print x End SubD.Private Sub Commsndl_Click() n=5: x=1: i=1 Do x=x*i i=i+1 Loop While i>n Print x End Sub

考题 以下能够正确计算n!的程序是( )。A.Pfivate Sub Commgld1_LClick() n=5:x=1 Do x=x*1 i=i+1 Loop Whilei<nB.Private Sub Command1_Click() n=5:x=1:i=1 Do x=x*1 i=i+1 Loop Whilei<n Print x End SubC.Pfivate Sub Command1_ C1ick() n=5:x=1:i=1 Do X=X*1 i=i+1 Loop While i<=nD.Private Sub Command1_C1ick() n=5:x=1:i=1 Do X=X*1 i=i+1 Loop While i>n Print x End Sub

考题 以下能够正确计算n!的程序是( )。A.Private Sub Commandl_C1ick()B.hiVate Sub Commandl_C1ick() n=5:x=1 n=5:x=1:i=1 DO DO X=x*1 X=X*1 i=i+1 i=i+1 Loop while i<n Loop While<n Print x Ptinte x End Sub End SubC.Private Sub Commandl_Click ()D.Pdvate Sub Commandl C1ick() n=5:X=1:i=1 n=5=:x=1:i=1 DO DO X=X*1 X=X*1 i=i+1 i=i+1 Loop While i>n Print x Print x End Sub End Sub

考题 图示两电路相互等效,由图b)可知,流经10电阻的电流IR = 1A,由此可求得流经 图a)电路中10电阻的电流I等于: A. 1A B. -1A C. -3A D. 3A

考题 并联电路的特点:电路的总电流等于电路中各支路电流的关系()。A、I1=I2=I3=…=InB、I1+I2+I3+…+InC、I1*I2*I3*…*InD、以上均不正确

考题 class Super {  public int i = 0;  public Super(String text) {  i = 1; }  }  public class Sub extends Super {  public Sub(String text) {  i = 2;  }   public static void main(String args[]) {  Sub sub = new Sub(“Hello”);  System.out.println(sub.i);  }  }  What is the result?()  A、 0B、 1C、 2D、 Compilation fails.

考题 两个电流表的读数分别是I=3A,I1=2A,R1=100。求支路电流I2、电阻R2各是多少?

考题 电阻R1、R2并联的直流电路中,其总电流为I,则R1支路的电流I1=();R2支路的电流I2=()。

考题 单选题class Super {  public int i = 0;  public Super(String text) {  i = 1; }  }  public class Sub extends Super {  public Sub(String text) {  i = 2;  }   public static void main(String args[]) {  Sub sub = new Sub(“Hello”);  System.out.println(sub.i);  }  }  What is the result?()A  0B  1C  2D  Compilation fails.

考题 单选题class super (   public int I = 0;   public super (string text) (   I = 1   )   )     public class sub extends super (   public sub (string text) (   i= 2   )   public static void main (straing args) (  sub sub = new sub (“Hello”);   system.out. PrintIn(sub.i);  )   )   What is the result?()A  Compilation will fail.B  Compilation will succeed and the program will print “0”C  Compilation will succeed and the program will print “1”D  Compilation will succeed and the program will print “2”