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13． 如右图所示条形磁铁置于水平面上电磁铁与其在同一水平面上右端固定并保持水平当电路中开关s由断开到闭合时条形磁铁一直保持静止 Template






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sketch 5202 The Woman by Céline Chalois
sketch 5263
sketch 4900 Moonlight by Abdelwahab Haik
sketch 1255 something
sketch 5268 Harley Quinn by 조바다
sketch 5079 SketchToy Pencil by Sarah Prieto
sketch 4 Nirvana Smiley
sketch 5267

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sketch 4151
sketch 2579
sketch 1061 garota ao vento
sketch 4405 Cat by Nizamuddin Shuja
sketch 12 my bear
sketch 3327 Megaman by Abdelwahab Haik
sketch 4937 Favorite animal competition runner-up: White Tiger by Deepak Kaushik
sketch 5069 Mad Hatter by Ahmed Mostafa





Try and sketch some of theseParallelogram, Simpleton, Quail, Desert, Ranch, Wood burning stove, Stapler, Cucumber, Key, Guppy, view more ideas


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tomski13． 如右图所示条形磁铁置于水平面上电磁铁与其在同一水平面上右端固定并保持水平当电路中开关s由断开到闭合时条形磁铁一直保持静止 coloring
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13． 如右图所示条形磁铁置于水平面上电磁铁与其在同一水平面上右端固定并保持水平当电路中开关S由断开到闭合时条形磁铁一直保持静止 sketch template
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13． 如右图所示条形磁铁置于水平面上电磁铁与其在同一水平面上右端固定并保持水平当电路中开关S由断开到闭合时条形磁铁一直保持静止 sketch template
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13． 如右图所示条形磁铁置于水平面上电磁铁与其在同一水平面上右端固定并保持水平当电路中开关S由断开到闭合时条形磁铁一直保持静止 sketch template
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如图所示条形磁铁置于水平桌面上电磁铁与条形磁铁处于同一水平线放置且左端固定当开关S闭合电路中动变阻器的片P逐渐下移动时条形 sketch template
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如图所示装置中悬挂条形磁铁下方有一铁片铁片与细线相连并在空间某点处于静止状态细线被拉紧画出此时铁片所受力的作用． 题目和参考答案 sketch template
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如图所示 在电磁铁的正上方用弹簧挂一条形磁铁当开关闭合后条形磁铁与电磁铁的相互作用为 当片P 从b 端到a 端的动过程中 弹簧的 sketch template
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如图所示条形磁铁静止在水平粗糙桌面上它的左上方固定 根长直导线导线中通过方垂直纸面里的电流若突然将电流反磁铁仍保持静止则磁铁 sketch template
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如图中小磁针静止在电磁铁的两极之间其南北极指和电磁铁线圈中的电流方如图所示请你在图中画出电磁铁上线圈的缠绕方法． 题目和参考答案 sketch template
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如图所示是探究电磁铁磁性的大小与哪些因素有关的实验要探究电磁铁磁性大小电流的有无的关系应选用 和 要探究电磁铁磁性大小与线圈匝数的关系 sketch template
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如图所示M是电磁铁在M正上方用弹簧悬挂一个条形磁铁电源两端电压保持不变闭合开关S待电磁铁稳定后电磁铁M的上端为 极在动变阻器R的 sketch template
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题目如图所示条形磁铁置于水平桌面上电磁铁的右端固定闭合开关当动变阻器片P右移动时条形磁铁仍保持静止下列分析不正确的是 sketch template
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如图所示条形磁铁正上方放置一矩形线框线框平面水平且与条形磁铁轴线平行当线框由磁铁左端N极正上方匀速运动到磁铁右端S极正上方的过程中穿过 sketch template
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12．如下图所示一根条形磁铁左端为S极右端为N极下列表示从S极到N极磁性强弱变化情况的图像中正确的是 ——青夏教育精英家教—— sketch template
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如图所示是某学习小组同学设计的研究“电磁铁磁性强弱 的实验电路图实验记录如下 1要判断电磁铁的磁性强弱可观察 来确定2比较下 sketch template
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如图所示条形磁铁置于水平桌面上电磁铁与其在同一水平面上左端固定并保持水平当闭合开关后动变阻器的片P逐渐上移动时电磁铁的磁性 sketch template
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如图所示为条形磁铁和电磁铁虚线表示磁感线则甲乙丙丁的极性依次是 A．SNSSB．NNSNC．SSNND．NS sketch template
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如图所示在电磁铁的正上方用弹簧挂一条形磁铁．当开关闭合后条形磁铁与电磁铁的相互作用为 当片P从a端到b端的动过程中弹簧的长度会变 sketch template
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如图所示一对光的平行属导轨固定在同一水平面内导轨间距为L左端接有阻值为R的电阻一质量为m电阻为r的属棒MN垂直放置在导轨上 sketch template
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如图所示将边长是10 Cm的实心立方体木块轻轻放入盛满水的大水槽内待木块静止时从水槽中溢出了550 G水g取10N／kg求1 sketch template
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如图所示条形磁铁以某一速度v螺线管靠下列说法是正确的是 A．螺线管中不产生感应电流B．产生感应电流但方无法确定C．螺线管中产生 sketch template
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如图所示L是电磁铁在L正上方用弹簧悬挂一条形磁铁设电源电压不变闭合电键S待电磁铁稳定后当动变阻器R的片由上下缓缓地动过程中 sketch template
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如图所示弹簧下端挂一条形磁铁磁铁下端为S极条形磁铁的正下方有一带铁芯的螺线管闭合开关后弹簧长度会 再将变阻器片左移动弹簧长度 sketch template
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小明用导线绕在铁钉上接入如图所示的电路中制成了一个电磁铁闭合开关S小磁针静止时左端应为 极当动变阻器的片P左移动时电磁铁的 sketch template
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如图所示A为螺线管B为悬挂在弹簧测力计下的条形磁铁当开关S断开时弹簧测力计的示数将 电流表的示数将 ——青夏教育精英家教—— sketch template
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如图所示一环形线圈沿条形磁铁的轴线从磁铁N极的左侧A点运动到磁铁S极的右侧B点AB两点关于磁铁的中心对称则在此过程中穿过环形线圈的 sketch template
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如图所示一条形磁铁固定在光的水平面上有三个形状和体积完全相同的正方体分别是铁块a铝块b木块c．若它们分别以相同的初速度v0由相同 sketch template
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如图所示电磁铁的左下方有一铁块在弹簧测力计作用下右作匀速直线运动．当铁块从电磁铁的左下方运动到正下方过程中同时片逐渐上动下列 sketch template
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15．如下图所示C为条形磁铁D为软铁棒下列说法中正确的是 A．若A为电源正极则CD都被吸引 B．若A为电源正极则C被排斥 sketch template
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如图所示同一闭合线圈第一次用一根条形磁铁插入 第二次用两根条形磁铁插入前后插入的速度相同问哪一次电流表指针偏转角度大——青夏教育 sketch template
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如图所示条形磁铁放在水平桌面上它的上方有一与磁铁垂直的长直通电导线正缓慢地水平自左右移动不考切割磁感线效应直导线中通以垂直纸面 sketch template
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如图所示一条形磁铁固定在光的水平面上有三个形状和体积完全相同的正方体分别是铁块a铝块b木块c．若它们分别以相同的初速度v0由相同 sketch template
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如图所示当条形磁铁作下列运动时线圈中的感应电流方应是A．磁铁靠线圈时电流方是逆时针的B．磁铁靠线圈时电流方是顺时针的C sketch template
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如图所示电磁铁的左下方有一铁块在弹簧测力计作用下右作匀速直线运动．当铁块从电磁铁的左下方运动到正下方过程中同时片逐渐上动下列 sketch template
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如图所示与条形磁铁等长的螺线管两接线柱间用导线连接在条形磁铁由静止释放竖直穿过这个螺线管的过程中条形磁铁做 A．匀速运动 B．匀 sketch template
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如图所示条形磁铁置于水平面上电磁铁与其在同一水平面上右端固定并保持水平当开关闭合后电磁铁左端为N极与条形磁铁之间产生斥力电路中 sketch template