如图所示均匀磁场中有一矩形通电线圈,线圈平面与磁场平行。在磁场作用下,线圈发生转动,在线圈的四条边中,整体转出纸外的边应该是 ( ) 。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/a6978096d2b847e1a41082460ee0fa46.png
举一反三
- 如图,匀强磁场中有一矩形通电线圈,它的平面与磁场平行,在磁场作用下,线圈发生转动,其方向
- 如图,匀强磁场中有一矩形通电线圈,它的平面与磁场平行,在磁场作用下,线圈发生转动,其方向是565594b8e4b0e853549a303f.png
- 如图所示,一个半径为R的半圆形闭合线圈,载有电流I,放在均匀外磁场中。磁感应强度大小为B,磁场的方向与线圈平面平行。线圈磁矩的大小为http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/d344ccc7d8e64e168131652f0f139bb4.png
- 中国大学MOOC: 如图所示,匀强磁场中一矩形通电线圈,它的平面与磁场平行,在磁场的作用下,线圈发生转动,其方向是:[ ] http://edu-image.nosdn.127.net/4B596726911017579B3B56AFB84E81F3.png?imageView&thumbnail=890x0&quality=100
- 有一由N匝细导线绕成的平面正三角形线圈,边长为a,通有电流I,置于均匀外磁场<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/cb62e85585694fb19c3259b024f3cccb.png" />中,当线圈平面的法向与外磁场同向时,该线圈所受的磁力矩<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/03f19ba21f9c41c28902dc00cc563ec8.png" />值为( ) A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/280ce7d4dffe4adaab37a5ff6c849698.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/d4768264ddcb4b3883bc84c640d003e2.png" /> C: 0 D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/914819ae65324b6aa5c1bdfa1f7c443c.png" />