【单选题】已知 i 1 =2 A 、 i 2 =-3 A 、 i 3 =2A, i 4 =1A,试求 i 5 。
【多选题】Among those which is deemed sales? ( )
A.
the enterprise uses self-produced goods for employees’ welfares
B.
the enterprise uses self-produced goods for dividend distribution
C.
the enterprise uses purchased goods for employees’ welfares
D.
the enterprise uses purchased goods for dividend distribution
【单选题】已知 I 1 =8A,I 2 =2A,I 3 =3A,I 5 =5A,则 I 4 = _ A。
【简答题】已知I A =5A,I B =3A,I C =-8A,则I1= A,I 2= A, U S= V。
【判断题】动力CAN总线的信息传送通过两个逻辑状态0和1来实现。
【单选题】在图中,已知I1 = 4A,I2 = -2A,I3 = 1A,I4 = -3A,则I5 = A。
【单选题】已知: a=3 b=5 i=a//b 则i的值为( )
【单选题】已知I1=5A,I2=-4A,I3=3A,I4=-2A,求I5=?