轻质线圈用细线挂在磁铁N极附近,磁铁的轴线穿过线圈中心,且在

轻质线圈用细线挂在磁铁N极附近,磁铁的轴线穿过线圈中心,且在线圈平面内,当线圈通以图所示电流时,线圈将:( )
  A.不动                               B.向左平动
  C.转动同时靠近磁铁                   D.转动同时远离磁铁

答案

C

相关题目

The Internet is becoming more and more important in our life. How much do you k
The Internet is becoming more and more important in our life. How much do you know about it? What is the Internet? The Internet is a large, worldwide collection of computer networks. A network is a
“Do you mind if I sit here?”“_____. It’s for my friend.”A.Not at all
“Do you mind if I sit here?”“_____. It’s for my friend.”A.Not at allB.Never mindC.Better notD.Certainly not.
海南著名风景区小洞天有棵龙血树,据专家测定其树龄已6000
海南著名风景区小洞天有棵龙血树,据专家测定其树龄已6000多岁,堪称树中的寿星。人们认为该树长寿的原因是:一、满树是虬曲而中空的枝条,为无
黄河水土流失最严重的河段是(    ) A、上游         
黄河水土流失最严重的河段是(    ) A、上游         B、中游           C、下游             D、中下游
How was your Children’s Day? What kind of gifts did you get? Eight third grad
How was your Children’s Day? What kind of gifts did you get? Eight third graders in some poor places in Hebei Province got new schoolbags as Children’s Day gifts. They were very happy. There we
You can have _____ second try if you fail _____ first time. A.the; 不填   
You can have _____ second try if you fail _____ first time. A.the; 不填      B. 不填;a       C. the; a          D. a; the  
96. What I like best is a book that helps me think about life deeply. My ______
96. What I like best is a book that helps me think about life deeply. My ______ is a book that helps me think about life deeply. 97. As soon as he entered the building, he heard a sharp cry coming
将标记的尿嘌呤核糖核苷引入某植物的活细胞后,可检测到
将标记的尿嘌呤核糖核苷引入某植物的活细胞后,可检测到放射性的结构是    (    ) A.细胞核、液泡、中心体             B.核糖体、细

最新题目