【单选题】如 图所示电路中,已知I 1 =11mA,I 4 =12mA,I 5 =6mA。I 2 ,I 3 和I 6 的值为( )
A.
I 2 =-7mA,I 3 =-5mA,I 6 =18mA
B.
I 2 =-7mA,I 3 =5mA,I 6 =18mA
C.
I 2 =-7mA,I 3 =10mA,I 6 =18mA
D.
I 2 =7mA,I 3 =5mA,I 6 =18mA
【判断题】塞曼因为发现塞曼效应,在1902年获得诺贝尔物理学奖。()
【单选题】-I’m thinking of the test tomorrow. I’m afraid I can’t pass this time. -_________! I’m sure you’ll make it.
【单选题】图示电路中,已知 I 1 =11mA,, I 4 =12mA,I 5 =6mA 。 I 2 ,I 3 和 I 6 的值为( )
A.
I 2 =-7mA,I 3 =-5mA,I 6 =18mA
B.
I 2 =-7mA,I 3 =5mA,I 6 =18mA
C.
I 2 =-7mA,I 3 =10mA,I 6 =18mA
D.
I 2 =7mA,I 3 =5mA,I 6 =18mA
【单选题】舌前三分之二的味觉由以下哪对脑神经管理( )
【简答题】普通螺栓的公称直径为螺纹()径。A. 大
【判断题】离合器旋转部分的平衡性要好,且从动部分的转动惯量大。