1．如图所示通电螺线管置于闭合�属环a的轴线上a环在螺线管的正中间当螺线管中的电流逐渐减小时 A．a环有收缩的趋势 ——青夏教育 Sketch Coloring Page

1．如图所示通电螺线管置于闭合�属环a的轴线上a环在螺线管的正中间当螺线管中的电流逐渐减小时 A．a环有收缩的趋势 ——青夏教育 Template

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sketch #2888 Jimi Hendrix by Meen Suksoi

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sketch #2836 Angry smurf maradona by BaGaz Anggara

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sketch #2150 batman

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sketch #4370 Breaking Bad

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sketch #5208 Alf by David Rossien

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sketch #3693 Lucy from Elfen Lied by Simona Honigmelone

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sketch #1855 MAGIC DANCE

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sketch #1855 MAGIC DANCE

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sketch #3197 Dragon by Yuryi Zambrano

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sketch #3197 Dragon by Yuryi Zambrano

sketch #4722 Ichigo by Gopal Gopi

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sketch #4722 Ichigo by Gopal Gopi

sketch #378 Guess what flag?
ɔılqndǝɹ ɥɔǝzϽ

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sketch #378 Guess what flag? ɔılqndǝɹ ɥɔǝzϽ

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sketch #4682 Elvis Presley by Nassim Nouri

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sketch #4682 Elvis Presley by Nassim Nouri

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

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

sketch #3523 My World My Way by Elena Artene

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sketch #5052 Gorillaz by Rafał Dawid

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sketch #5052 Gorillaz by Rafał Dawid

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sketch #20960 Kaneki Ken Tokyo Ghoul by Deepak Kaushik

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sketch #5207 Gorilla by Jean-Benoit Renaud

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sketch #5207 Gorilla by Jean-Benoit Renaud

tomski1．如图所示通电螺线管置于闭合�属环a的轴线上a环在螺线管的正中间当螺线管中的电流逐渐减小时 a．a环有收缩的趋势 ——青夏教育 coloring

中考物理考点解读：通电螺线管的磁场知乎 sketch template

如图所示通电螺线管置于闭合�属环a的轴线上当螺线管中电流I增大时 A环中感应电流方�与图中标示的方�相同B环中感应电流方�与图中 sketch template

中考物理考点解读：通电螺线管的磁场知乎 sketch template

1．如图所示通电螺线管的上方有一个静止的小磁针轴线上右边的圆圈表示闭合电路中一部分导体的横截面．下列判断正确的是 A．通电螺线管的d端 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当开关闭合后通电螺线管上方的小磁针受力的作用保持静止则通电螺线管的右端是极电源的右端是极——青夏教育精英家教�—— sketch template

3．如下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——青夏教育精英家教�—— sketch template

如图所示，闭合开关后，两个通电螺线管中间的小磁针N极�下指。请你在括号内标出电源的“ ”或“﹣”极，并画出乙通电螺线管的绕线方法。百度教育 sketch template

通电螺线管要点解读知乎 sketch template

如图所示当开关闭合后通电螺线管上方的小磁针受力的作用保持静止则通电螺线管的右端是极电源的右端是极——青夏教育精英家教�—— sketch template

通电螺线管要点解读知乎 sketch template

如图所示在通电螺线管上绕出导线．题目和参考答案——青夏教育精英家教�—— sketch template

1．如图所示通电螺线管置于闭合�属环A的轴线上A环在螺线管的正中间当螺线管中的电流逐渐减小时 A．A环有收缩的趋势 ——青夏教育 sketch template

如图所示套在光�玻璃管上的两个轻质螺线管AB通电后互相排斥试画出B螺线管的绕线方�．题目和参考答案——青夏教育精英家教�—— sketch template

如图所示通电螺线管置于闭合�属环A的轴线上A环在螺线管的正中间当螺线管中的 刷刷题APP sketch template

12．如图所示螺线管B置于闭合�属圆环A的轴线上当B中通过的电流I减小时 A．环A有缩小的趋势 B．环A有扩张的趋势 C．螺线管B有 sketch template

如图所示把螺线管沿东西方�水平悬挂起来然后给导线通上如图所示的电流请你想一想会�生的现象是 A．通电螺线管仍保持静止不动B．通电 sketch template

如图所示通电螺线管置于闭合�属环a的轴线上当螺线管中电流I减小时 A环有缩小的趋势以阻碍原磁通量的减小 B环有扩大的趋势以阻碍原 sketch template

如图所示的电路已知R1=R2=R3若使通电螺线管的磁性最强的情况是 A．合上S1断开S2B．合上S2断开S1C．S1和S2都断开D sketch template

如图所示在开关S由闭合到断开的过程中通电螺线管的磁性强弱和极性将 A增强改变B减弱不变C增强不变D减弱改变题目和参考 sketch template

如图所示根据通电螺线管中的电流方�标出静止在通电螺线管上方的小磁针的“N “S 极．题目和参考答案——青夏教育精英家教�—— sketch template

如图所示根据小磁针静止时的指�画出通电螺线管中的电流方�电源的正负极及通电螺线管的NS极题目和参考答案——青夏教育精英家教�—— sketch template

通电螺线管的NS极如图所示请在图12中括号内标出电源的正负极和小磁针静止时的NS极 ——青夏教育精英家教�—— sketch template

如图所示当开关闭合后两通电螺线管会 A．相吸B．相斥C．先吸引后排斥D．先排斥后吸引——青夏教育精英家教�—— sketch template

如图所示通电螺线管的左端为 S 极则 A．小磁针c 端为N 极电源a 端为负极 B．小磁针c 端为正极 C．小 sketch template

如图所示一位同学在探究通电螺线管�围的磁场后画出四个小磁针表示磁感线的方�其中小磁针指�画错的是A小磁针AB小磁针BC小磁针CD小 sketch template

14．如图所示已知通电螺线管两端的极性则电源的左端为极答案 ——青夏教育精英家教�—— 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

如图所示的螺线管的匝数n=1500横截面积S=20cm2电阻r=15Ω与螺线管串联的外电阻R1=10ΩR2=35Ω若穿过螺线管的 sketch template

如下图所示 根据小磁针的方�判断通电螺线管的极性及电源正负极——青夏教育精英家教�—— sketch template

如图所示已知两通电螺线管通电后相互排斥请在图中将电路连接完整．题目和参考答案——青夏教育精英家教�—— sketch template

如图所示在通电螺线管的管口管内中央外部中央的abc三处放置三枚可以自由转动的小磁针静止时N极指� A．都�右B．a�左 Bc sketch template

在如图所示的通电螺线管旁有一静止磁体请标出电源的正极及螺线管磁感线的方�．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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

小波小组在探究“通电螺线管的外部磁场实验中设计了如图1所示电路．实验时1可通过观察判断通电螺线管的磁极．2如图2所示是通电 sketch template

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