Skip to content
Categories:

範例:磁力與靜力平衡

如右圖所示，一線性彈簧吊一矩形迴線，迴線下端在均勻磁場B中。當迴線上通電流1A時，彈簧伸長量1.9cm；電流2A時，伸長量為3.3cm。則未通電流時，彈簧伸長量為(A)0.2cm (B)0.4cm (C)0.5cm (D)0.8cm (E)1.2cm。


[詳解]

相關文章:

Posted in 載流導線在磁場中的磁力.

Tagged with , , .

rev="post-2786" No comments

By admin – 2010 年 03 月 22 日

0 Responses

Stay in touch with the conversation, subscribe to the RSS feed for comments on this post.

You must be logged in to post a comment.

« »
28 visitors online now
2 guests, 19 bots, 7 members
All time: 479 at 08-18-2020 08:10 pm UTC
Max visitors today: 42 at 12:24 am UTC
This month: 213 at 04-17-2024 12:31 am UTC
This year: 213 at 04-17-2024 12:31 am UTC