<p class="ql-block"><b style="color:rgb(255, 138, 0);">一、電磁振蕩</b></p><p class="ql-block"><a href="https://b23.tv/ew21H6I" target="_blank">你不得不知的高考物理易錯點：電磁振蕩問題</a></p> <p class="ql-block"><a href="https://v.douyin.com/l5iWvkeCGfY/%2006/06%20B@g.oD%20Nws:/" target="_blank">電池震蕩過程圖解q（E電）/t、I（E磁）/t</a></p> <p class="ql-block"><a href="https://v.douyin.com/r9Zr9CEaC5E/%20ytE:/%20n@d.Nw%2003/27" target="_blank">電磁振蕩題解</a></p> <p class="ql-block"><b style="color:rgb(255, 138, 0);">二、磁場的知點整理</b></p><p class="ql-block"><span style="color:rgb(1, 1, 1);">磁場中的速度v和磁場B問題都可以轉(zhuǎn)化為半徑問題：V=mv/Bq</span></p><p class="ql-block"><span style="color:rgb(1, 1, 1);">磁場中的時間t問題可以轉(zhuǎn)化為角度</span>θ問題</p> <p class="ql-block"><a href="https://v.douyin.com/pjh9RmFQGwk/%20m@D.UY%20Chb:/%2001/07" target="_blank">磁場的知識點梳理 </a></p> <p class="ql-block"><b style="color:rgb(22, 126, 251);">磁場中的三大推論妙解</b></p> <p class="ql-block">磁場推論一：β?=2α</p><p class="ql-block">圓心角=速偏角=2位偏角</p> <p class="ql-block"><a href="https://v.douyin.com/9bZ8dxC5Q80/%20VYm:/%20p@q.Eu%2001/20" target="_blank">磁場推論一：β=2α，圓心角=速偏角=2位偏角</a></p> <p class="ql-block"><a href="https://v.douyin.com/Hzzmi0JSwYg/%20l@C.UY%2012/18%20teO:/" target="_blank">磁場推論一：豎偏角=2位偏角，高考題解析1</a></p> <p class="ql-block"><a href="https://v.douyin.com/FKuXnQiMjO8/%2007/05%20lPk:/%20k@C.us" target="_blank">磁場推論一：豎偏角=2位偏角，高考題解析2 </a></p> <p class="ql-block">磁場推論2：弦長公式</p> <p class="ql-block"><a href="https://v.douyin.com/k1zgv_-1SUw/%2009/19%20b@N.jc%20Xzg:/" target="_blank">磁場推論二：弦長公式解析</a></p> <p class="ql-block"><a href="https://v.douyin.com/85Eq8ayDfRE/%20m@q.eB%20Ulc:/%2005/14" target="_blank">磁場推論二：計算弦長公式高考題解析一1 </a></p> <p class="ql-block"><a href="https://v.douyin.com/aep2a3qyzOQ/%20mdN:/%2007/08%20F@u.sr" target="_blank">磁場推論二：計算弦長公式高考題解析一2</a></p> <p class="ql-block"><a href="https://v.douyin.com/kriNBwpw9uI/%20f@O.kC%20Tyt:/%2002/14" target="_blank">磁場推論二：計算弦長公式高考題解析3 </a></p> <p class="ql-block">推論三：勾股定理</p> <p class="ql-block"><a href="https://v.douyin.com/ezgQvB5cSvU/%20fbn:/%2006/02%20Y@Z.MW" target="_blank">磁場推論三：勾股定理 </a></p> <p class="ql-block"><b style="color:rgb(255, 138, 0);">磁場中的最長時間問題</b></p> <p class="ql-block"><a href="https://v.douyin.com/ODiUmVGOFA4/%20r@e.OK%2004/14%20wSL:/" target="_blank">一、速度不相等時，判斷角度：圓心角越大，時間越長 </a></p> <p class="ql-block"><a href="https://v.douyin.com/2oSG-moEzDI/%20WzG:/%20H@I.II%2010/30" target="_blank">二、速度相等時，判斷弦長：弦長越長，圓心角越大，時間越長</a>（前提條件是劣弧的判斷）</p> <p class="ql-block"><a href="https://v.douyin.com/Wrz9Hil_jIg/%2004/30%20Oxs:/%20u@S.Lj" target="_blank">三、放縮圓問題找相切～圓心角～弦長分析</a></p> <p class="ql-block"><a href="https://v.douyin.com/xSK84lcwsRI/%20l@p.da%2001/22%20zte:/" target="_blank">磁場最長時間問題高考題解析1</a></p> <p class="ql-block"><a href="https://v.douyin.com/vyUQh99WR8I/%20zgB:/%20P@x.Sl%2006/30" target="_blank">磁場中最長時間問題高考題解析2 </a></p>