如图所示电磁铁b通电后悬挂软铁a的弹簧被拉长当�动变阻器�片p移动时弹簧长度的变化情况是 A．�左移动弹簧被拉得更长b．�左移动 Sketch Coloring Page

如图所示电磁铁b通电后悬挂软铁a的弹簧被拉长当�动变阻器�片p移动时弹簧长度的变化情况是 A．�左移动弹簧被拉得更长b．�左移动 Template

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Take a peek at some of the sketches created by our users, are you a sketchite?

sketch #5270 Fresh prince by Fatér Szilvia

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sketch #5270 Fresh prince by Fatér Szilvia

sketch #5130 Batman by Kamal Ahmed Tantawy

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anonymous
sketch #5130 Batman by Kamal Ahmed Tantawy

sketch #1450

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anonymous
sketch #1450

sketch #4190

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anonymous
sketch #4190

sketch #3362 The Boss by David Torre

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sketch #3362 The Boss by David Torre

sketch #5265 Shir Erika Ishikawa

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anonymous
sketch #5265 Shir Erika Ishikawa

sketch #5293

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anonymous
sketch #5293

sketch #1079

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anonymous
sketch #1079

sketch #5086 Lion by Z Ionut Ady

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sketch #5086 Lion by Z Ionut Ady

sketch #5092 Silvers Rayleigh by Wasim Khan

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sketch #5092 Silvers Rayleigh by Wasim Khan

sketch #5061

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anonymous
sketch #5061

sketch #1668 SUNSET

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anonymous
sketch #1668 SUNSET

sketch #4532

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anonymous
sketch #4532

sketch #20471

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anonymous
sketch #20471

sketch #5165 Marceline by Marvin Chrome

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sketch #5165 Marceline by Marvin Chrome

sketch #3734

Goran Djordjevic
sketch #3734

sketch #5341 Rafael Nadal by Alina Danielle

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sketch #5341 Rafael Nadal by Alina Danielle

sketch #5178 Mewtwo and Transformation by Riley Hart

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sketch #5178 Mewtwo and Transformation by Riley Hart

sketch #1695

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anonymous
sketch #1695

sketch #5159 Frank Briones Silvia Haynes

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sketch #5159 Frank Briones Silvia Haynes

sketch #4279 Winnie the Pooh by Douglas Dalmora

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sketch #4279 Winnie the Pooh by Douglas Dalmora

sketch #5156 Angry Bird by Roberto Castro Colimil

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sketch #5156 Angry Bird by Roberto Castro Colimil

sketch #3359 &#;In love and lonely&#; by Irul Ventura

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sketch #3359 &#;In love and lonely&#; by Irul Ventura

sketch #3390 Beautiful drawing by Jessie Lightwood

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sketch #3390 Beautiful drawing by Jessie Lightwood

sketch #1451 mi6softlab vibra

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anonymous
sketch #1451 mi6softlab vibra

sketch #2753

Sofie Emilie Valentin Jeske
sketch #2753

sketch #542 life

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anonymous
sketch #542 life

sketch #5018 Owl by Komlós László

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sketch #5018 Owl by Komlós László

sketch #2144

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anonymous
sketch #2144

sketch #3439 Aralé by Malyi Link

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sketch #3439 Aralé by Malyi Link

tomski如图所示电磁铁b通电后悬挂软铁a的弹簧被拉长当�动变阻器�片p移动时弹簧长度的变化情况是 a．�左移动弹簧被拉得更长b．�左移动 coloring

如图所示电磁铁A薄铁片B与秤盘支架组成的装置悬挂于弹簧测力计C的下面当电磁铁A通电后铁片B突然吸引到如图乙所示的位置此时轻绳绷紧 sketch template

磁电式电表原理示意图如图所示，两磁极装有极靴，极靴中间还有一个用软铁制成的圆柱。极靴与圆柱间有均匀辐�分布的磁场。线圈常常用铝框做骨架，把线圈 sketch template

如图所示当电磁铁接通电源后与一旁的磁铁相互作用它们中间的曲线是描述磁场的磁感线请标出磁感线的方�标出电源的正负极和磁铁的NS极 sketch template

如图所示的电磁铁上绕有两个线圈要使电磁铁正常工作正确的连接方法是 A Ab与A连接cd与B连接 B Ab与B连接c sketch template

如图所示电磁铁B通电后悬挂软铁A的弹簧被拉长当�动变阻器�片P移动时弹簧长度的变化情况是 A．�左移动弹簧被拉得更长B．�左移动 sketch template

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

如图所示线圈竖直放置且固定不动当它正上方的磁铁运动时流过电阻的电流是由A经R到B则磁铁可能 A．�下运动B．�上运动C．�左平移D sketch template

如图所示．A为电磁铁．B为铁芯．C为套在铁芯B上的绝缘磁环．现将ABC放置在天平的左盘上．当A中通有电流I时C悬停在空中．天平保持平衡 sketch template

如图电磁铁通电时小磁针静止在图示的位置上小磁针的a端是N北N北极当�动变阻器的�片�右移动时电磁铁的磁性将减弱减弱．——青夏 sketch template

如图所示固定的轻弹簧下端用细线竖直悬挂一条形磁体当下方电路闭合通电后�现弹资长度缩短了请在括号屮标出螺线管下端的极性N或S和电源 sketch template

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

中考物理考点解读：通电螺线管的磁场知乎 sketch template

中考物理考点解读：通电螺线管的磁场知乎 sketch template

如图所示依小磁针静止时N极的指�标出磁感线的方�电磁铁磁极的极性导线中电流的方�及电源的正负极．题目和参考答案——青夏教育精英家教�—— sketch template

如图所示通电螺线管左端小磁针N极指�正确的是 答案A 9电磁铁在生活和生产中有着广泛的应用图5中应用到电磁铁的设备有答案AC sketch template

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

将图中通电螺线管中的铁芯抽去可以看到的现象是A悬挂磁铁的弹簧长度不变B悬挂磁铁的弹簧伸长C悬挂磁铁的弹簧缩短D悬挂磁铁的弹簧�生扭转 sketch template

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

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

如图所示橡皮筋下面挂着条形磁铁当�动变阻器的�片P�某方�移动时�现橡皮筋的长度变短了则下列关于通电螺线管的磁极和�片移动方�判断正确 sketch template

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

如图所示是小明同学探究电磁铁跟哪些因素有关的实验装置A是电磁铁B是弹簧C是铁块图示中的弹簧长度为15cm Ab两接线柱之间的线圈匝 sketch template

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

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

如图所示M为一软铁棒磁性不能保持只有被磁化时才有磁性用弹簧悬挂着1当闭合开关S时观察到的现象是 原因是 ——青夏教育精英 sketch template

如图所示在电磁铁的正上方用弹簧秤挂着一条形磁铁当开关闭合后电磁铁与条形磁铁的相互作用为 当�片P从b端�a端�动过程中弹簧的长度会变 sketch template

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

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

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

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

如图所示是小明同学探究电磁铁跟哪些因素有关的实验装置A是电磁铁B是弹簧C是铁块图示中的弹簧长度为15cm Ab两接线柱之间的线圈匝 sketch template

如图所示在电磁铁正上方用弹簧挂着一条形磁铁开关闭合后当�片P从a端�b端�动过程中会出现的现象是电流表示数变大弹簧长度变短灯泡亮度 sketch template

如图所示当变阻器的�片P缓慢�左移动时则A悬挂磁铁的弹簧伸长B悬挂磁铁的弹簧缩短C悬挂磁铁的弹簧长度不变D悬挂磁铁的弹簧可能伸长 sketch template

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

如图所示弹簧测力计甲乙下分别挂一个条形磁铁和一个铁块开关闭合后当�动变阻器的�片�右端移动时 A．U形电磁铁右侧上方为N极B．U形 sketch template

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