磁场的奥妙

</p> <p>狭义相对论是怎么解释磁的产生呢，看完这个视频，你就了解了，为什么磁和电是一回事。</p> <p><iframe src="https://www.tudou.com/programs/view/html5embed.action?type=0&code=IoqIvnjX5as&lcode=&resourceId=322867880_06_05_99" allowtransparency="true" allowfullscreen="true" allowfullscreeninteractive="true" scrolling="no" border="0" frameborder="0" style="width:480px;height:400px;"/></p> <div class="wbp-cbm" wb-share-url="http://it.newban.cn/?p=18366"><a class="wb-btn-dwqr wb-btn-like j-dwqr-like-btn" data-count="0"><svg class="wb-icon wbsico-like"><use xlink:href="#wbsico-dwqr-like"></use></svg><span class="like-count">赞</span></a><a class="wb-btn-dwqr wb-share-poster j-dwqr-poster-btn"><svg class="wb-icon wbsico-poster"><use xlink:href="#wbsico-dwqr-poster"></use></svg><span>微海报</span></a><a class="wb-btn-dwqr wb-btn-share j-dwqr-social-btn"><svg class="wb-icon wbsico-share"><use xlink:href="#wbsico-dwqr-share"></use></svg><span>分享</span></a></div>  <script async 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