tag:blogger.com,1999:blog-5754734678634830817.post6548816949452974289..comments2011-10-04T10:05:08.169-07:00Seknoreply@blogger.comBlogger3125tag:blogger.com,1999:blog-5754734678634830817.post-73562538635088412842011-10-04T10:05:08.169-07:002011-10-04T10:05:08.169-07:00hi..<br />Can i know what is the function of the permanent bar magnet there??? Thx~~~~minninghttp://www.blogger.com/profile/11126610801406468671noreply@blogger.comtag:blogger.com,1999:blog-5754734678634830817.post-17400833558930880722009-07-05T21:54:44.451-07:002009-07-05T21:54:44.451-07:00You are welcome. :)Sekhttp://www.blogger.com/profile/05333466968034873958noreply@blogger.comtag:blogger.com,1999:blog-5754734678634830817.post-88113731989334221492009-07-05T01:14:48.836-07:002009-07-05T01:14:48.836-07:00hihi~<br />thx a lot ya~<br />te details here really help me a lot at physics folio.水精灵0http://www.blogger.com/profile/09814721296043209253noreply@blogger.com