【简答题】如图所示,两根平行长直导线通有电流I 1 =I 2 =20A,相距d=40cm,求:
【单选题】在RLC串联的正弦电路中,电压和电流同相时,参数LC与角频率ω的关系是( )。
【判断题】骨单位又称哈佛氏系统,是骨密质的主要结构单位 .
【多选题】Which one is NOT wise according to the article? (More than one correct answer)
A.
Try to recruit someone to your culture by helping to learn the unspoken and unwritten norms.
B.
Check your motives before sharing gossip.
C.
Share information that everybody who works there already knows.
D.
Share privileged information.