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class="top-register-item">注冊(cè)</a> </li> </ul> </div> </div> </div> <div id="jp7mjwo" class="crumbs g-cw"> <i class="iconw-fixed"></i> <span>當(dāng)前位置：</span>   <a href="/question?tree_type=category&xd=3&chid=6" class="pointer">高中物理</a> <span>/</span> <a href="javascript:;">多選題</a> </div> <div id="ob2cl3x" class="m-wrap g-cw cfx"> <div id="incf97s" class="w fl"> <div id="r1s8gjt" class="g-mn2"> <ul id="J_question_detail" > <li> <div id="7qr9j6l" class="question-block"> <div id="mchrqbc" class="q-mc"> <h1 class="q-tit"> 1. <a href="/paper/view-5283292.shtml" class="ques-origin a-pointer" target="_blank"> (2024高二下·廣元月考) </a> 水平桌面上固定一根絕緣長(zhǎng)直導(dǎo)線，矩形導(dǎo)線框abcd靠近長(zhǎng)直導(dǎo)線固定桌面上，如圖甲所示。當(dāng)長(zhǎng)直導(dǎo)線中的電流按圖乙的規(guī)律變化時(shí)（圖甲所示電流方向?yàn)槠湔较颍?，則（　?。?p><img width="278" height="166" src="http://tikupic.21cnjy.com/2024/04/10/78/22/782203f3432ad0f204a81c0d10097b40.png" style="max-width:100%;"></p> </h1> <div id="yeyklvw" class="exam-s"> <span id="yep6h96" class="op-item"><span id="rsuhwjm" class="op-item-nut">A . </span><span id="hy2m0ev" class="op-item-meat"><img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmn%3E0%3C%2Fmn%3E%3Cmtext%3E%E2%88%BC%3C%2Fmtext%3E%3Cmsub%3E%3Cmrow%3E%3Cmi%3Et%3C%2Fmi%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E1%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsub%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"> ，線框內(nèi)電流的方向?yàn)閍bcda</span></span> <span id="1hb2n8r" class="op-item"><span id="ae7hit8" class="op-item-nut">B . </span><span id="xttutlm" class="op-item-meat"><img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmsub%3E%3Cmrow%3E%3Cmi%3Et%3C%2Fmi%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E1%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsub%3E%3Cmtext%3E%E2%88%BC%3C%2Fmtext%3E%3Cmsub%3E%3Cmrow%3E%3Cmi%3Et%3C%2Fmi%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E2%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsub%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"> ，線框內(nèi)電流的方向?yàn)閍bcda</span></span> <span id="ljum4zp" class="op-item"><span id="r4petfb" class="op-item-nut">C . </span><span id="srbab8f" class="op-item-meat"><img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmsub%3E%3Cmrow%3E%3Cmi%3Et%3C%2Fmi%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E2%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsub%3E%3Cmtext%3E%E2%88%BC%3C%2Fmtext%3E%3Cmsub%3E%3Cmrow%3E%3Cmi%3Et%3C%2Fmi%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E3%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsub%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"> ，線框所受安培力方向一直向右</span></span> <span id="ekqk90t" class="op-item"><span id="m6wuu3y" class="op-item-nut">D . </span><span id="8tpn8ny" class="op-item-meat"><img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmsub%3E%3Cmrow%3E%3Cmi%3Et%3C%2Fmi%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E1%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsub%3E%3Cmtext%3E%E2%88%BC%3C%2Fmtext%3E%3Cmsub%3E%3Cmrow%3E%3Cmi%3Et%3C%2Fmi%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E3%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsub%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"> ，線框所受安培力方向一直向左</span></span> </div> </div> </div> </li> </ul> <div style="height:20px;background-color: #fff;margin-top:1px"></div>  <div class="2j8ndnw" id="J_ConnectQuestionsdBox"> </div> </div> </div> <div id="1wt9zg5" class="g-sd2">  <div style="background:#fff;padding:20px 0;margin-bottom:20px;text-align:center;"> <img 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