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 #137

Chris Shrimp Lonsdale
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anonymous

anonymous
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sketch #20344

anonymous

anonymous
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sketch #2744 Burce Lee by Karim Tayyeby

Karim Tayyeby
sketch #2744 Burce Lee by Karim Tayyeby

sketch #819

Laura Agapi Asnicar
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sketch #672 Snails pace

Rachel Roe
sketch #672 Snails pace

sketch #5184 Walter White by Abdul Ghony

anonymous

anonymous
sketch #5184 Walter White by Abdul Ghony

sketch #3499 Alien Laura Gutierrez Hinojosa

anonymous

anonymous
sketch #3499 Alien Laura Gutierrez Hinojosa

sketch #2608 Beauty and the Beast by sketchmaster

sketchmaster
sketch #2608 Beauty and the Beast by sketchmaster

sketch #3300

anonymous

anonymous
sketch #3300

sketch #4929

anonymous

anonymous
sketch #4929

sketch #4698

anonymous

anonymous
sketch #4698

sketch #20960 Kaneki Ken Tokyo Ghoul by Deepak Kaushik

anonymous

anonymous
sketch #20960 Kaneki Ken Tokyo Ghoul by Deepak Kaushik

sketch #5179 Audrey Hepburn by 陳一夫

anonymous

anonymous
sketch #5179 Audrey Hepburn by 陳一夫

sketch #1221 səhər
abbasova
gözəi
qız
hamı
məni çox
seve
anam da
çox
sevir

anonymous

anonymous
sketch #1221 səhər abbasova gözəi qız hamı məni çox seve anam da çox sevir

sketch #5050

anonymous

anonymous
sketch #5050

sketch #4454 Lisa by Muhammad Raiyaan

anonymous

anonymous
sketch #4454 Lisa by Muhammad Raiyaan

sketch #5278 Cosmos by Jenna Khoùlix�

anonymous

anonymous
sketch #5278 Cosmos by Jenna Khoùlix�

sketch #2477 hhhh

anonymous

anonymous
sketch #2477 hhhh

sketch #4934 Nami-Ki Roberto Castro Colimil

anonymous

anonymous
sketch #4934 Nami-Ki Roberto Castro Colimil

sketch #859 meyvalar

anonymous

anonymous
sketch #859 meyvalar

sketch #5220

anonymous

anonymous
sketch #5220

sketch #2965 Flapjack by Farzin Hedayatzadeh

anonymous

anonymous
sketch #2965 Flapjack by Farzin Hedayatzadeh

sketch #2939 Eye by Kimmy Kitty Perry Priemus

anonymous

anonymous
sketch #2939 Eye by Kimmy Kitty Perry Priemus

sketch #578 Butterflies

anonymous

anonymous
sketch #578 Butterflies

sketch #5133 Jiraiya by Saiful Farizam

anonymous

anonymous
sketch #5133 Jiraiya by Saiful Farizam

sketch #3822

anonymous

anonymous
sketch #3822

sketch #5286 Adventure Time by Manu Kp

anonymous

anonymous
sketch #5286 Adventure Time by Manu Kp

sketch #4424 MJ by Nycole Prietsch

anonymous

anonymous
sketch #4424 MJ by Nycole Prietsch

sketch #978

anonymous

anonymous
sketch #978

tomski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 coloring

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

中考物理考点解读：通电螺线管的磁场知乎 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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

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

在如图甲所示的电路中螺线管匝数n=1500横截面积S=20cm2螺线管导线电阻r=10ΩR1=40ΩR2=50ΩC 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套在光�玻璃管上的两个轻质螺线管AB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

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

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

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

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

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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�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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

根据图所示螺线管中的电流方�在螺线管的两端标出它的NS极．题目和参考答案——青夏教育精英家教�—— sketch template

如图所示当把条形磁铁插入螺线管中时电流指针�左偏转现将处于螺线管中央处的磁铁从螺线管中�外抽出则电流表的指针偏转情况为 A．�上 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

中考物理考点解读：通电螺线管的磁场知乎 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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

如图所示螺线管内有一平行于轴线的匀强磁场规定图中箭头所示方�为磁感应强度B的正方�螺线管与U型导线框cdef相连导线框cdef内有一 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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

通电螺线管附�放置四个小磁针如图11 1 7所示当小磁针静止时图中小磁针的指�可能的是 A．a B．b C．c D．d 题目和参考答案 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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