[err:数据源标签'PE.DataSource id="cone" datasource="资料_内容页" itemId="30019" xslt="true" '返回数据错，原因：“<”(十六进制值 0x3C)是无效的属性字符。 行 50，位置 65。，源码：<root><GeneralID>30019</GeneralID><yulannum></yulannum><gourl /><gourl12 /><gourl33 /><gourl2>
&lt;meta http-equiv="refresh" content="0;url=/Item/30019.aspx?wu=1" /&gt;
</gourl2><NodeID>1409</NodeID><Title>实验：探究通电导线周围的磁场</Title><SoftSize>0.00</SoftSize><SoftSizeUnit>B</SoftSizeUnit><SoftSize>0.00</SoftSize><SoftSizeUnit>B</SoftSizeUnit><typeicon>other</typeicon><editor>czwlzx</editor><author>奇智物理</author><user>czwlzx</user><userface>/UploadFiles/UserPic/UserAvatars/15219_150_150.jpg</userface><Hits>
    &lt;script language="JavaScript" type="text/JavaScript" src="/Common/GetHits.aspx?id=30019"&gt;&lt;/script&gt;
   </Hits><DayDownLoadTimes>
    &lt;script language="JavaScript" type="text/JavaScript" src="/Common/GetHits.aspx?hitstype=dayhits&amp;id=30019"&gt;&lt;/script&gt;
   </DayDownLoadTimes><WeekDownLoadTimes>
    &lt;script language="JavaScript" type="text/JavaScript" src="/Common/GetHits.aspx?hitstype=weekhits&amp;id=30019"&gt;&lt;/script&gt;
   </WeekDownLoadTimes><MonthDownLoadTimes>
    &lt;script language="JavaScript" type="text/JavaScript" src="/Common/GetHits.aspx?hitstype=monthhits&amp;id=30019"&gt;&lt;/script&gt;
   </MonthDownLoadTimes><BrowseTimes>
    &lt;script language="JavaScript" type="text/JavaScript" src="/Common/GetBrowseTimes.aspx?id=30019"&gt;&lt;/script&gt;
   </BrowseTimes><SoftVersion></SoftVersion><SoftLanguage></SoftLanguage><Stars>
&lt;img src="/images/star3.jpg" /&gt;
   </Stars><Author>奇智物理</Author><infopoint>0</infopoint><Keyword>通电导线,磁场</Keyword><CopyFrom>原创</CopyFrom><SoftType></SoftType><CopyrightType></CopyrightType><DecompressPassword></DecompressPassword><OperatingSystem></OperatingSystem><UpdateTime>2016年08月23日</UpdateTime><RegUrl></RegUrl><DemoUrl /><DefaultPicUrl>/UploadFiles/wldekt_UploadFiles_3742/201608/20160823065312779.jpeg</DefaultPicUrl><Intro>实验目的：
　　探究通电导线周围的磁场分布。
　　实验原理：
　　奥斯特实验说明了电能生磁，通电导线</Intro><SoftIntro2>实验目的：
　　探究通电导线周围的磁场分布。
　　实验原理：
　　奥斯特实验说明了电能生磁，通电导线周围存在磁场，可以利用小磁针及铁屑来研究通电直导线和单股线圈的磁场。
　　实验器材：
　　干电池4节、电池盒1个、开关1个、硬纸板、漆包线、剪刀、铁屑、针锥、铜棒、小磁针若干、导线若干。
　　实验步骤：
　　1．用剪刀剪一个长方形硬纸板，用针锥在中间扎一个洞，能使铜棒穿过此洞（如图1所示）。

　　图1              图2
　　2．在铜棒的周围放一圈小磁针，观察小磁针的N极指向（如图2所示）。
　　3．把铜棒的两端与电源相连，观察开关闭合的瞬间，小磁针指针的偏转情况（如图3所示）。

　　图3
　　4．拿走小磁</SoftIntro2><SoftIntro>
    【内容简介】实验目的：
　　探究通电导线周围的磁场分布。
　　实验原理：
　　奥斯特实验说明了电能生磁，通电导线周围存在磁场，可以利用小磁针及铁屑来研究通电直导线和单股线圈的磁场。
　　实验器材：
　　干电池4节、电池盒1个、开关1个、硬纸板、漆包线、剪刀、铁屑、针锥、铜棒、小磁针若干、导线若干。
　　实验步骤：
　　1．用剪刀剪一个长方形硬纸板，用针锥在中间扎一个洞，能使铜棒穿过此洞（如图1所示）。

　　图1              图2
　　2．在铜棒的周围放一圈小磁针，观察小磁针的N极指向（如图2所示）。
　　3．把铜棒的两端与电源相连，观察开关闭合的瞬间，小磁针指针的偏转情况（如图3所示）。

　　图3
　　4．拿走小磁针，在硬纸板均匀的撒上铁屑，闭合开关，轻敲纸板，观察铁屑的分布情况（如图4）。


<P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; </SoftIntro><SoftIntroEncode>实验目的：
　　探究通电导线周围的磁场分布。
　　实验原理：
　　奥斯特实验说明了电能生磁，通电导线周围存在磁场，可以利用小磁针及铁屑来研究通电直导线</SoftIntroEncode><special /><DownloadUrl></DownloadUrl><Content>&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"&gt;实验目的：&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"&gt;　　探究通电导线周围的磁场分布。&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"&gt;　　实验原理：&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"&gt;　　奥斯特实验说明了电能生磁，通电导线周围存在磁场，可以利用小磁针及铁屑来研究通电直导线和单股线圈的磁场。&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"&gt;　　实验器材：&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"&gt;　　干电池4节、电池盒1个、开关1个、硬纸板、漆包线、剪刀、铁屑、针锥、铜棒、小磁针若干、导线若干。&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"&gt;　　实验步骤：&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"&gt;　　1．用剪刀剪一个长方形硬纸板，用针锥在中间扎一个洞，能使铜棒穿过此洞（如图1所示）。&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px" align=center&gt;&lt;IMG style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; VERTICAL-ALIGN: middle; BORDER-TOP: medium none; BORDER-RIGHT: medium none" alt="" src="PE.SiteConfig.ApplicationPathPE.SiteConfig.uploaddir/wldekt_UploadFiles_3742/201608/20160823065312779.jpeg"&gt;&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px" align=center&gt;　　图1              图2&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"&gt;　　2．在铜棒的周围放一圈小磁针，观察小磁针的N极指向（如图2所示）。&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"&gt;　　3．把铜棒的两端与电源相连，观察开关闭合的瞬间，小磁针指针的偏转情况（如图3所示）。&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px" align=center&gt;&lt;IMG style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; VERTICAL-ALIGN: middle; BORDER-TOP: medium none; BORDER-RIGHT: medium none" alt="" src="PE.SiteConfig.ApplicationPathPE.SiteConfig.uploaddir/wldekt_UploadFiles_3742/201608/20160823065312147.jpeg"&gt;&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px" align=center&gt;　　图3&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"&gt;　　4．拿走小磁针，在硬纸板均匀的撒上铁屑，闭合开关，轻敲纸板，观察铁屑的分布情况（如图4）。&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px" align=center&gt;&lt;IMG style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; VERTICAL-ALIGN: middle; BORDER-TOP: medium none; BORDER-RIGHT: medium none" alt="" src="PE.SiteConfig.ApplicationPathPE.SiteConfig.uploaddir/wldekt_UploadFiles_3742/201608/20160823065312285.jpeg"&gt;&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px" align=center&gt;&lt;IMG style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; VERTICAL-ALIGN: middle; BORDER-TOP: medium none; BORDER-RIGHT: medium none" alt="" src="PE.SiteConfig.ApplicationPathPE.SiteConfig.uploaddir/wldekt_UploadFiles_3742/201608/20160823065312977.jpeg"&gt;&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; </Content><banben></banben><area></area><type></type><type2>不限</type2><ico></ico><video>&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"&gt;实验目的：&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"&gt;　　探究通电导线周围的磁场分布。&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"&gt;　　实验原理：&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"&gt;　　奥斯特实验说明了电能生磁，通电导线周围存在磁场，可以利用小磁针及铁屑来研究通电直导线和单股线圈的磁场。&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"&gt;　　实验器材：&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"&gt;　　干电池4节、电池盒1个、开关1个、硬纸板、漆包线、剪刀、铁屑、针锥、铜棒、小磁针若干、导线若干。&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"&gt;　　实验步骤：&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"&gt;　　1．用剪刀剪一个长方形硬纸板，用针锥在中间扎一个洞，能使铜棒穿过此洞（如图1所示）。&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px" align=center&gt;&lt;IMG style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; VERTICAL-ALIGN: middle; BORDER-TOP: medium none; BORDER-RIGHT: medium none" alt="" src="PE.SiteConfig.ApplicationPathPE.SiteConfig.uploaddir/wldekt_UploadFiles_3742/201608/20160823065312779.jpeg"&gt;&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px" align=center&gt;　　图1              图2&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"&gt;　　2．在铜棒的周围放一圈小磁针，观察小磁针的N极指向（如图2所示）。&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"&gt;　　3．把铜棒的两端与电源相连，观察开关闭合的瞬间，小磁针指针的偏转情况（如图3所示）。&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px" align=center&gt;&lt;IMG style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; VERTICAL-ALIGN: middle; BORDER-TOP: medium none; BORDER-RIGHT: medium none" alt="" src="PE.SiteConfig.ApplicationPathPE.SiteConfig.uploaddir/wldekt_UploadFiles_3742/201608/20160823065312147.jpeg"&gt;&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px" align=center&gt;　　图3&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"&gt;　　4．拿走小磁针，在硬纸板均匀的撒上铁屑，闭合开关，轻敲纸板，观察铁屑的分布情况（如图4）。&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px" align=center&gt;&lt;IMG style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; VERTICAL-ALIGN: middle; BORDER-TOP: medium none; BORDER-RIGHT: medium none" alt="" src="PE.SiteConfig.ApplicationPathPE.SiteConfig.uploaddir/wldekt_UploadFiles_3742/201608/20160823065312285.jpeg"&gt;&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); LIST-STYLE-TYPE: none; TEXT-INDENT: 0px; MARGIN: 0px auto; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/30px Simsun; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(0,0,0); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px" align=center&gt;&lt;IMG style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; VERTICAL-ALIGN: middle; BORDER-TOP: medium none; BORDER-RIGHT: medium none" alt="" src="PE.SiteConfig.ApplicationPathPE.SiteConfig.uploaddir/wldekt_UploadFiles_3742/201608/20160823065312977.jpeg"&gt;&lt;/P&gt;
&lt;P style="PADDING-BOTTOM: 0px; WIDOWS: 1; TEXT-TRANSFORM: none; </video><DefaultPicUrl>
   &lt;img src="/UploadFiles/wldekt_UploadFiles_3742/201608/20160823065312779.jpeg" alt="%e5%ae%9e%e9%aa%8c%ef%bc%9a%e6%8e%a2%e7%a9%b6%e9%80%9a%e7%94%b5%e5%af%bc%e7%ba%bf%e5%91%a8%e5%9b%b4%e7%9a%84%e7%a3%81%e5%9c%ba" border="0" /&gt;
    </DefaultPicUrl><video2>/UploadFiles/</video2><video11 /><video12 /></root>]
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>{PE.Field id="cone" fieldname="Title" /}-初中物理教师网</title>
    <meta name="Keywords" content='{PE.Field id="cone" fieldname="Keyword" /}' />
    <meta name="Description" content='{PE.Field id="cone" fieldname="Intro" /}' />
{PE.Field id="cone" fieldname="gourl" /}
<link href="/Template/Default/Skin/MMskin/style.css?v=20181112" rel="stylesheet" type="text/css" />
<link href="/Template/Default/Skin/MMskin/iconfont.css" rel="stylesheet">
<script type="text/javascript">
    var siteSetup = {sitePath: '/',ajaxPath: '/ajax.aspx',skinPath: '/Template/Default/Skin/'};
</script>
<script language="javascript" type="text/javascript" src="/js/jquery.pack.js"></script>
<script language="javascript" type="text/javascript" src="/js/jquery.peex.js"></script>
<script language="javascript" type="text/javascript" src="/Template/Default/Skin/MMskin/js/jquery.SuperSlide.2.1.1.js"></script>
 <link href="/Template/Default/Skin/MMskin/commentary.css" rel="stylesheet" type="text/css" />
 <link href="/Template/Default/Skin/MMskin/zTree3/css/zTreeStyle/zTreeStyle.css" rel="stylesheet" type="text/css"/>
 <script type="text/javascript" src="/Template/Default/Skin/MMskin/zTree3/js/jquery.ztree.core.js"></script>
<SCRIPT type="text/javascript">
var cat_id = "{PE.Field id="cone" fieldname="NodeID" /}";
//数据内容 
var zNodes =[];
            jQuery.pe.ajax('accessLabel', {
                labelName: '栏目树v4',
                params: {
                   pId:{PE.Label id="取得指定级别父节点信息" nodeId="{PE.Field id="cone" fieldname="NodeID" /}" depth="0" fieldName="nodeID" /},
                   depth: 5
                },
                success: function(res) {
                   node=jQuery(res).find("body").text();
                   zNodes =eval(node)
                },
               async:false
            })
</SCRIPT>
 <script type="text/javascript" src="/Template/Default/Skin/MMskin/zTree3/gkIndex.js"></script>
<style>
.playbox{width:800px;margin:10px auto;}
.other0{width:840px;float:left;margin:15px 0;background:#fff;padding:9px;border:1px solid #ccc;}
.other0 li{height:28px;line-height: 28px;}
.other0 li span{color:#e80000;font-weight:bold;}

</style>
</head>
<body>

{PE.Label id="顶部"  currentId="{PE.Field id="cone" fieldname="NodeID" /}"/}
<div class="clear"></div>
<div class="content">
<div class="path"><p><i></i>当前位置：<a href='/'>首页</a> > {PE.Label id="当前位置导航" nodeId="{PE.Field id="cone" fieldname="NodeID" /}" /} > 内容详情</p></div>
<div class="sidebar">
        <div class="nav2">
        <div class="hd"><h2>{PE.Label id="取得节点名称" nodeId="{PE.Label id="取得指定级别父节点信息" nodeId="{PE.Field id="cone" fieldname="NodeID" /}" depth="0" fieldName="nodeID" /}" /}</h2></div>
        <div class="bd">
   <ul id="tree" class="ztree"></ul>
        </div>
        </div>
<div class="listbox" id="tab3">
<div class="hd">
<h2>热门排行</h2>    
</div>
<div class="bd">
<ul>             

                                
<li class="topnum">
  <em>1</em>
  <a href="/Item/149505.aspx" target="_blank">申请vip会员的方法和步骤</a>
</li>
<li class="topnum">
  <em>2</em>
  <a href="/Item/135470.aspx" target="_blank">2020-2021北师大版八年级物理上…</a>
</li>
<li class="topnum">
  <em>3</em>
  <a href="/zk/151924144487.html" target="_blank">第31课时　生活用电--2021年广东…</a>
</li>
<li>
  <em>4</em>
  <a href="/Item/142514.aspx" target="_blank">2020-2021沪科版八年级物理下册…</a>
</li>
<li>
  <em>5</em>
  <a href="/Item/128077.aspx" target="_blank">【精品】2019-2020学年北师大版…</a>
</li>
<li>
  <em>6</em>
  <a href="/Item/112848.aspx" target="_blank">2019年中考物理考点总动员系列：…</a>
</li>
<li>
  <em>7</em>
  <a href="/Item/147978.aspx" target="_blank">第十一章 功和机械能--2021-2022…</a>
</li>
<li>
  <em>8</em>
  <a href="/zk/111907144289.html" target="_blank">2021年中考物理一轮复习江苏省13…</a>
</li>
<li>
  <em>9</em>
  <a href="/zk/144203143301.html" target="_blank">【备战2021】中考物理考点一遍过…</a>
</li>
<li>
  <em>10</em>
  <a href="/zk/062032135537.html" target="_blank">2020年全国各地中考物理真题精品…</a>
</li>
                            
</ul>
</div>
</div>
</div>


        <div class="maincontent">
    <div class="showCon">
        <h1>{PE.Field id="cone" fieldname="Title" /}</h1>
        <h3>作者：{PE.Field id="cone" fieldname="Author" /}&nbsp;&nbsp;人气：{PE.Field id="cone" fieldname="Hits" /}次&nbsp;&nbsp;时间：{PE.Field id="cone" fieldname="UpdateTime" /}&nbsp;&nbsp;星级：</th><td>{PE.Field id="cone" fieldname="Stars" /}</h3>
    <div class="article">

{PE.Field id="cone" fieldname="video" /}

   </div>
    </div>

<div class="other0">
<ul>
<li>{PE.Label id="上一篇" unit="份资料" itemId="30019" nodeArray="{PE.Field id="cone" fieldname="NodeID" /}" titleLength="90" /}</li>
<li class="next">{PE.Label id="下一篇" unit="份资料"  itemId="30019"  nodeArray="{PE.Field id="cone" fieldname="NodeID" /}" titleLength="90"  /}</li>
</ul>
</div>

<div class="comment">
<div class="hd2">
<h2>用户评论</h2>
<p>(以下评论仅代表网友意见，与本站立场无关)</p>
<div class="count">
网友评论共 <strong id="commentCount">0</strong> 条
</div>
</div>
<div class="bd">
                <!-- 评论开始 -->
                <div id="commentform">
                </div>
                <!-- 评论结束 -->
</div>
</div>
    </div>
    </div>
<div class="ft-tools">
  <div class="wrap">
  <div class="bd">
<ul class="ul1">
  <h2>新手帮助</h2>
  <li><a href="/User/Register.aspx">我要注册</a></li>
  <li><a href="/vip.html">如何充值</a></li>  
  <li><a href="/Item/11092.aspx">如何赚点</a></li>
  <li><a href="="/vip.html">如何下载</a></li>
</ul>
<ul class="ul2">
  <h2>常见问题</h2>
  <li><a href="">帐号问题</a></li>
  <li><a href="/vip.html">充值问题</a></li>  
  <li><a href="/vip.html">下载问题</a></li>
  <li><a href="/Category_1201/Index.aspx">其他问题</a></li> 
</ul>
<ul class="ul3">
  <h2>会员须知</h2>
  <li><a href="/vip.html">会员体系</a></li>
  <li><a href="/zffs.html">支付方式</a></li>  
  <li><a href="/vip.html">缴费须知</a></li>
  <li><a href="/Category_200/Index.aspx">汇款通知</a></li> 
</ul>
<ul class="ul4">
  <h2>关于我们</h2>
  <li><a href="/Item/2914.aspx">网站简介</a></li>
  <li><a href="/Category_1418/Index.aspx">网站地图</a></li>
  <li><a href="/Item/2914.aspx">版权声明</a></li> 
  <li><a href="">联系我们</a></li>  
</ul>
<ul class="ul5">
  <span class="more"><a href="">申请友链></a></span><h2>合作机构/友情链接</h2>
<div class="clear"></div>

            <li><a href="http://www.czwljsw.com" target="_self">初中物理教师网</a></li>
<li><a href="http://www.hao123.com/xuexi" target="_self">hao123学习网站导航</a></li>
<li><a href="http://www.hao123.com" target="_self">hao123网址导航</a></li>
<li><a href="http://www.czhxzx.com" target="_self">初中化学在线</a></li>
          
</ul>
  </div>

  </div>
</div>
<div class="clear"></div>
<div id="footer">
 <div class="layout"> 
<p>版权所有：初中物理教师网 Copyright <span style=" font-family:Tahoma;">&copy;</span> 2012 - 
<script type="text/javascript">
document.write (new Date().getFullYear())
</script></p>
<p>vip客服QQ：307551335   E-mail: czwlzx001@126.com </p> 
<p>国家信息产业部备案号:  <a href="https://beian.miit.gov.cn" target=_blank>皖ICP备05006132号-5</a> 公安机关备案号：34072202000168</p> 
<p>由于本网是信息分享及获取的平台，不确保部分用户上传资料的来源及知识产权归属。如您发现相关资料侵犯您的合法权益，请联系本站并提供证据，我们核实后将及时进行处理。</p> 
</div> 
</div>
<div class="fixed-kefu">
    <ul>
        <li class="item">
            <a href="/user/index.aspx" target="_blank"><i class="icon kf_login"></i>登录</a>
        </li>
        <li class="item">
            <a href="http://wpa.qq.com/msgrd?v=3&uin=307551335&site=qq&menu=yes" target="_blank" style="cursor:pointer"><i class="icon kf_qq"></i>客服</a>
        </li>
        <li class="item">
            <a href="/PayOnline/SelectPayPlatform.aspx" target="_blank"><i class="icon kf_wx"></i>在线支付</a>
        </li>
        <li class="item">
            <a href="/Category_200/Index.aspx" target="_blank"><i class="icon kf_msg"></i>留言通知</a>
        </li>
        <li class="item" id="backtop">
            <a href="javascript:;"><i class="icon kf_top"></i>返回顶部</a>
        </li>
    </ul>
</div>
<!--弹出登录开始-->
<div id="loginField" class="quick_login" style="display: none">
    <div class="quick_login_content">
        <h3 class="close">
            <img src="/Template/Default/Skin/MMskin/images/close.gif" class="overlay_header_close" alt="关闭" align="absmiddle" />会员登录</h3>
        <div class="quick_login_info">
            <ul>
                <li><label>用户名：</label><input name="username" type="text" /></li>
                <li><label>密　码：</label><input name="userpass" type="password" /></li>
                <li id="validateField"><label>验证码：</label><input name="validate" id="validateCode" type="text" /><span><img src="/Controls/ValidateCodeImage.aspx" class="validateSign" id="validateSign" title="换一个" align="absmiddle" /></span></li>
                <li class="check"><label><input name="saveinfo" type="checkbox" /><span>保持登录状态</span></label></li>
                <li class="login">
                    <img id="login" src="/Template/Default/Skin/MMskin/images/login.gif" alt="登录" align="absmiddle" /></li>
            </ul>
        </div>
        <div class="reg_info">
            <ul>
                <li>没有帐号？<a href="/User/Register.aspx" target="_blank" title="点此注册">点此注册</a></li>
                <li><a href="/User/GetPassword.aspx" target="_blank" title="忘记密码？">忘记密码？</a></li>
            </ul>
        </div>
        <div class="clear">
        </div>
    </div>
</div>

<!--弹出登录结束--> 
<!-- 这个是背景黑色半透明遮罩，不能包含弹窗，否则会出现弹窗透明现象 -->
<div id="bjtidu_ground" onclick="closeModel()"> </div>
<!-- 这个是用来展示弹框内容的 -->
<div id="login_model"><iframe name='LogOnFrame' id='LogOnFrame' src='' width='300' height='400' fullscreen=true download=false print=false openfile=false frameborder='no' border='0'></iframe></div>
<script>
    /* 打开弹出框的功能 */
   function openModel() {
        document.getElementById("bjtidu_ground").style.display = 'block';
        document.getElementById("login_model").style.display = 'block';
       // 禁止浏览器滚动
        document.body.style.overflow = 'hidden';
    }
    /**
    * 关闭弹出框的功能*/
    function closeModel() {
        document.getElementById("bjtidu_ground").style.display = 'none';
        document.getElementById("login_model").style.display = 'none';
        // 不遮挡后面的内容将body设置为原始样式，也就是实现可滚动
        document.body.style.overflow = 'auto';
    }

  $("#wxlog").click(function(){
    $("#LogOnFrame").attr("src","/qrconn.aspx");
  })

$(function(){
    var ua = navigator.userAgent.toLowerCase(); 
    if(ua.match(/iPad/i)=="ipad" || ua.match(/Mobile/i)=="mobile") { 
     $("#wxlog").hide();
    }
    else{
    }
})
</script>
<script type="text/javascript" src="/Template/Default/Skin/MMskin/js/tools.js"></script>
<script>
(function(){
    var bp = document.createElement('script');
    var curProtocol = window.location.protocol.split(':')[0];
    if (curProtocol === 'https') {
        bp.src = 'https://zz.bdstatic.com/linksubmit/push.js';
    }
    else {
        bp.src = 'http://push.zhanzhang.baidu.com/push.js';
    }
    var s = document.getElementsByTagName("script")[0];
    s.parentNode.insertBefore(bp, s);
})();
</script>


{PE.Label id="A评论标签" nodeId="{PE.Field id="cone" fieldname="NodeID" /}" /}
</body>
</html>