【判断题】圆电流产生的磁场可以用安培环路定理来求解磁感应强度
【单选题】Sharon: “Really? What happened to them?” a. bored b. shocked c. curious
【判断题】只有载流导体的磁场分布具有对称性的时候,才可以用安培环路定理来求解磁场,否则只能用毕奥萨伐尔定律加叠加原理来求解。
【简答题】在稳恒电流的磁场中,任意选取的闭合积分回路,安培环路定理 都能成立,因此利用安培环路定理可以求出任何电流回路在空间任一处产生的磁场强度.以上看法如有错请指出并改正.
【单选题】听力原文:M: Is this college really as good as people say? W: It used to be even better. What's about the college?
A.
It's not as good as it was.
B.
It's better than it used to be.
C.
It's better than people say.
【单选题】若空间存在两根无限长直载流导线,空间的磁场分布就不具有简单的对称性,则该磁场分布 (A) 不能用安培环路定理来计算. (B) 可以直接用安培环路定理求出. (C) 只能用毕奥-萨伐尔定律求出. (D) 可以用安培环路定理和磁感强度的叠加原理求出. [ ]
【单选题】按摩可使胃肠蠕动 。 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【判断题】应用安培环路定理可以求解任意磁场的磁感应强度。
【判断题】制造费用属于成本类科目,期末需要结转到生产成本账户。
【单选题】听力原文:Does the green tag mean the item is on sale? (A) You know, I'm not really sure what he meant. (B) Yes, those are 10 percent off. (C) No, that's the only color we have in stock. (6)