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?

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Chris Shrimp Lonsdale
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anonymous

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Laura Agapi Asnicar
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sketch #4134 1 min sketch

Nemo Archt
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sketch #5278 Cosmos by Jenna Khoùlix�

anonymous

anonymous
sketch #5278 Cosmos by Jenna Khoùlix�

sketch #2644 Purple bun

Rachel Roe
sketch #2644 Purple bun

sketch #2351

anonymous

anonymous
sketch #2351

sketch #3149 Dude with a sword by Elio Hernandez

anonymous

anonymous
sketch #3149 Dude with a sword by Elio Hernandez

sketch #312

anonymous

anonymous
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sketch #5264

anonymous

anonymous
sketch #5264

sketch #2464 Spongebob by sketchmaster

sketchmaster
sketch #2464 Spongebob by sketchmaster

sketch #22

anonymous

anonymous
sketch #22

sketch #5176

anonymous

anonymous
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sketch #4566 Edward Scissorhands by Angel Ördoñez

anonymous

anonymous
sketch #4566 Edward Scissorhands by Angel Ördoñez

sketch #2770 Maggie by Shuvo Islam

Shuvo Islam
sketch #2770 Maggie by Shuvo Islam

sketch #4929

anonymous

anonymous
sketch #4929

sketch #2635 Zoidberg by sketchmaster

sketchmaster
sketch #2635 Zoidberg by sketchmaster

sketch #508

anonymous

anonymous
sketch #508

sketch #3052

anonymous

anonymous
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sketch #4997 Rafael Leite Jose Rondon

anonymous

anonymous
sketch #4997 Rafael Leite Jose Rondon

sketch #4161

Hank Henry Armstrong
sketch #4161

sketch #2627 Taz by sketchmaster

sketchmaster
sketch #2627 Taz by sketchmaster

sketch #3232

anonymous

anonymous
sketch #3232

sketch #20215 Desert

anonymous

anonymous
sketch #20215 Desert

sketch #1116

Joselynn Ann Gossette
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sketch #3774 Marilyn Manson by Junior Silva

anonymous

anonymous
sketch #3774 Marilyn Manson by Junior Silva

sketch #5437 Mikasa from Attack on Titan by Manimarmuthu Muthu

anonymous

anonymous
sketch #5437 Mikasa from Attack on Titan by Manimarmuthu Muthu

sketch #2195

anonymous

anonymous
sketch #2195

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

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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

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

如图甲所示电磁铁A薄铁片B和支架组成的装置悬挂于弹簧测力计C的下端当电磁铁A通电后铁片B被突然吸引到如图乙所示的位置过程中 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，将通电直导线用悬线悬挂在电磁铁的正上方，高途 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

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

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

如图所示，通电螺线管形成的磁场中有两个小磁铁A和B，其中B有一半在螺线管内部，一半在外部，则它们受力的方�分别为（） A �左，�左 B sketch template

如图所示在电磁铁的上方用弹簧悬挂着一条形磁铁开关S闭合后当�片P由a端�b端�动过程中会出现的现象是 A．电流表示数变大弹簧长度 sketch template

电磁铁 电磁继电器习题 Word文档在线阅读与下载无忧文档 sketch template

如图所示通电螺线管�围的小磁针静止时小磁针N极指�正确的是 A．abcB．abdC．acdD．bcd 题目和参考答案 sketch template

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

如图所示为一台非铁性物质制成的天平天平左盘中的A是一铁块B是电磁铁未通电时天平平衡给B通以图示方�的电流a端接电源正极b端接电源 sketch template

如图所示根据通电螺线管的磁感线方�可判断通电螺线管左端为极电源的a端为极小磁针静止时的b端为极 A 南正北B北负北 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

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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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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

百度教育 sketch template

如图所示是开关闭合后小磁针在条形磁体和通电螺线管的共同作用下在图中位置处于静止状态请你根据条形磁铁的极性标出小磁针和通电螺线管的南 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a端到b端的�动过程中弹簧的长度会变 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A是悬挂在弹簧下的铁块B是螺线管的铁芯S是转换开关．请你提出一个可以用该装置研究电磁铁磁场的强弱与哪些因素有关的猜想并设计出 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

在探究“影响电磁铁磁性强弱的因素实验中小明制成简易电磁铁甲乙并设计了如图所示的电路1当�动变阻器�片�左移动时电磁铁甲乙吸引 sketch template

如图所示在电磁铁上方用弹簧悬挂一条形磁铁．当开关S闭合后弹簧的长度将如果变阻器的�片P�右移动弹簧的长度又将填“变长 “变短或 sketch template

如图所示是理�用的电吹风的典型电路其中电热丝通电后可以�热电动机通电后可以送风选择开关在图示的位置是送风此时电动机跟电热丝是 联 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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

如图所示的电路中电源的电压保持不变R1为定值电阻R2为�动变阻器闭合开关S�片P�右移动时则A．电流表A的示数变大B．电压表V的示 sketch template

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