【简答题】3-3 如图所示的有向图,选网孔作为独立回路,列出独立的KVL方程。
【简答题】Tobacco is the second major cause of death in the world. It is responsible for the death of one in ten s worldwide (about 5 million deaths each year). If current smoking patterns continue, it wil...
【多选题】社会主义初级阶段理论提出的意义是( )。
B.
是党制定和执行正确路线、方针、政策的基本依据
E.
是我国走出一条建设中国特色社会主义新道路的基础
【单选题】--Don’t you think that was a ______ night? --Yes, we were almost ______ to death by the shaking of the earth.
A.
frightened; frightened
B.
frightening; frightening
C.
frightening; frightened
D.
frightened; frightening
【单选题】如图所示电路abda回路中,设定顺时针为绕行方向,则正确的KVL方程为( )
【单选题】在如图所示的电路中,假设绕行方向为逆时针方向,则可列出回路电压方程为( )
A.
I3R3 - E2 + I2R2 - I1R1 + E1 = 0
B.
I3R3 - E2 + I2R2 + I1R1 - E1 = 0
C.
-I3R3 + E1 - I1R1 + I2R2 + E2 = 0
D.
-I3R3 - E1 + I1R1 - I2R2 + E2 = 0
【单选题】如图所示电路中的bcdb回路中,以逆时针为绕行方向,正确的KVL方程为( )