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 Coloring Page

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 Template

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sketch #3572 Hate mondays by Malyi Link

anonymous

anonymous
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sketch #3626 Skream by Wellen Lima

anonymous

anonymous
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sketch #846 cat fridayz z z zzzz zz

anonymous

anonymous
sketch #846 cat fridayz z z zzzz zz

sketch #3908 Rawr! by Timothy Palfreyman

anonymous

anonymous
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sketch #5205

anonymous

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sketch #4134 1 min sketch

Nemo Archt
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sketch #3499 Alien Laura Gutierrez Hinojosa

anonymous

anonymous
sketch #3499 Alien Laura Gutierrez Hinojosa

sketch #2029 GOD 'S PROMISE ...

Marlyn Ortiz
sketch #2029 GOD 'S PROMISE ...

sketch #3686 Toy Story by Thania Arruda

anonymous

anonymous
sketch #3686 Toy Story by Thania Arruda

sketch #2027

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sketch #894 hmmm

anonymous

anonymous
sketch #894 hmmm

sketch #3813

Emin AltınKöprü
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sketch #4939 Zelda by Jeanie Wagenknecht

anonymous

anonymous
sketch #4939 Zelda by Jeanie Wagenknecht

sketch #3523 My World My Way by Elena Artene

anonymous

anonymous
sketch #3523 My World My Way by Elena Artene

sketch #3919 this is not my best but i did it because it looks very cool

anonymous

anonymous
sketch #3919 this is not my best but i did it because it looks very cool

sketch #2751

Guillaume Ballieu
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sketch #2030

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sketch #5201 Ponyta by WatasHi Satemura Oke

anonymous

anonymous
sketch #5201 Ponyta by WatasHi Satemura Oke

sketch #1170

anonymous

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sketch #4997 Rafael Leite Jose Rondon

anonymous

anonymous
sketch #4997 Rafael Leite Jose Rondon

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anonymous

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sketch #4659 Ozzy Osbourne by Piter Olimpo

anonymous

anonymous
sketch #4659 Ozzy Osbourne by Piter Olimpo

sketch #1973

Daniel Lachman
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sketch #2996 American Flag

James Forest
sketch #2996 American Flag

sketch #4751 Ruko by Rodrigo Marcos

anonymous

anonymous
sketch #4751 Ruko by Rodrigo Marcos

tomski12．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 coloring

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

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15 1 15甲乙是两种结构不同的环状螺线管的示意图其中乙是由两个匝数相同互相对称的半圆环形螺线管串联而成的给它们按图示方�通以 sketch template

如图所示开关闭合后螺线管通电产生磁场位于螺线管右则的小磁针会�生偏转．请画出通电螺线管的NS极并用箭头在小磁针N极的下方标出其转动的 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a所示导体环A的正上方有一个竖直放置的螺线管螺线管与导线abcd构成回路导线所围区域内有一个垂直纸面的匀强磁场B其大小随时间按 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双线螺线管当开关S闭合时其铁芯AB A．A端为S极B端为N极B．A端为N极B端为S极C．不能被磁化D．无法确定是否被磁化 sketch template

中考物理考点解读：通电螺线管的磁场知乎 sketch template

5．螺线管通电后小磁针静止时北极的指�如图所示请标出螺线管左端的磁极和线圈中的电流方�．——青夏教育精英家教�—— sketch template

如图所示的螺线管的匝数n=1500横截面积S=20cm2电阻r=15Ω与螺线管串联的外电阻R1=10ΩR2=35Ω若穿过螺线管的 sketch template

通电螺线管要点解读知乎 sketch template

如图11所示开关S闭合后螺线管的a端是极如图 12所示在两张纸片中间�下吹气可观察到两纸片题目和参考答案——青夏教育精英家教�—— sketch template

如图所示螺线管匝数n=1000匝横截面积S=10cm2螺线管导线电阻r=1Ω电阻R=4Ω磁感应强度B随时间变化的图象如图所示下列 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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

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，螺线管及灵敏电流计构成的回路整体�右以速度v靠�条形磁铁，下面几种说法中正确的是（）A只有螺线管速度足够大时，螺线管中才能产生 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

在如图所示的通电螺线管�围放着能够自由转动的小磁针abcd这四个小磁针静止时磁极指�正确的是 A 磁针a B 磁针b C sketch template

如图所示螺线管中感应电流的方�是 A．如图中箭头所示 B．与图中箭头方�相反 C．无感应电流 D．与条形磁铁运动加速还是减速有关故无法 sketch template

如图甲圆环a和b均由相同的均匀导线制成a环半径是b环的两倍两环用不计电阻且彼此靠得较�的导线连接。若仅将a环置于图乙所示变化的磁场中则 sketch template

如图所示通电螺线管�围能自由转动的小磁针abcd已静止指�正确的是 A 小磁针a B 小磁针b C 小磁针c D 小磁针 sketch template

如图所示的通电螺线管磁场的磁感线方�四个图中正确的是 A．B．C．D．——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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

12．如图A所示竖直放置的螺线管与导线abcd构成回路导线所围区域内有一垂直纸面�里的变化的匀强磁场螺线管下方水平面桌面上有一导体圆环 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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

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

如图所示的电路中，电源电压保持不变。闭合开关S后，�片P从b端移动到a端的过程，电压表示数U与电流表示数I的关系图像如图所示。下列说法正确的是（ sketch template

如图5所示螺线管置于闭合�属圆环A的轴线上当B中通过的电流减小时 A环A有缩小的趋势B环A有扩张的趋势C螺线管B有缩短的趋势D 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

如图所示两同心圆环AB置于同一水平面上其中B为均匀带电绝缘环A为导体环当B绕轴心逆时针转动时角速度ω�生变化A中产生逆时针方�的 sketch template

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