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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More Sketches

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

sketch #124 saurez

Tom Kelly
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sketch #4653 Kero by Indike Liyanage

anonymous

anonymous
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anonymous

anonymous
sketch #5095 Lion by Frederic Knauer

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anonymous

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sketch #3107 Hitman by Miguel Edgardo Montes Cuaresma

anonymous

anonymous
sketch #3107 Hitman by Miguel Edgardo Montes Cuaresma

sketch #2072

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sketch #5074

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sketch #5210 I love you by Saul Mansanares

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sketch #1435 donara

Donara Smbatyan
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sketch #5200 Kristen Stewart by Rhemzkian Esturco

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anonymous
sketch #5200 Kristen Stewart by Rhemzkian Esturco

sketch #3232

anonymous

anonymous
sketch #3232

sketch #1170

anonymous

anonymous
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sketch #2818 Hellboy by يآآسر محمد

يآآسر محمد
sketch #2818 Hellboy by يآآسر محمد

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anonymous
sketch #3378

sketch #5119

anonymous

anonymous
sketch #5119

sketch #4287 eye

anonymous

anonymous
sketch #4287 eye

sketch #4883 White tiger by Kayson Danielle

anonymous

anonymous
sketch #4883 White tiger by Kayson Danielle

sketch #2423

anonymous

anonymous
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sketch #521 A hungry caterpillar

Tom Kelly
sketch #521 A hungry caterpillar

sketch #2598

sketchmaster
sketch #2598

sketch #5313 Katy Perry by Monalisa Theresia

anonymous

anonymous
sketch #5313 Katy Perry by Monalisa Theresia

sketch #5216 D by Gabriela Segura

anonymous

anonymous
sketch #5216 D by Gabriela Segura

sketch #5055

anonymous

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sketch #1504 donara

Donara Smbatyan
sketch #1504 donara

sketch #3803

Laura Agapi Asnicar
sketch #3803

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

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螺线管横截面积为S线圈匝数为N电阻为R1管内有水平�左的变化磁场螺线管与足够长的平行�属导轨MNPQ相连并固定在同一平面内 sketch template

中考物理考点解读：通电螺线管的磁场知乎 sketch template

题目如图所示N=10匝的螺线管横截面积为S=lm2电阻R1=2Ω管内有如图方�的磁场螺线管与足够长平行�属导轨MNPQ相连并固定 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

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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

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

如附图所示两长直螺线管同轴并套在一起半径分别为R1和R2（R2&gtR1匝数分别为N1和N2长度均上学吧找答案 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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，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

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螺线管P与�属环M连接组成闭合回路螺线管P左侧放有一闭合�属环N当变化的磁场穿过�属环M时�属环N受到了�左的磁场力则磁场随时间 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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

如图所示的螺线管接入电路中闭合开关后小磁针的N极的指�如图所示请在电路的缺省部分画出电源的正负极．——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

21．如图所示竖直放置的螺线管与导线abcd构成闭合回路导线所围区域内有一垂直于纸面�里的变化的匀强磁场螺线管下方水平桌面上有一导体圆环 sketch template

通电螺线管要点解读知乎 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

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

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

通电螺线管附�放置四个小磁针如图所示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——青夏教育精英家教�—— 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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为通电螺线管电流磁场方�及线圈绕�三者关系的判断方法示意图由图可知该线圈的电流方�是从a流�ba流�b．填“a 流�b 或“b 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

如图a所示圆形线圈P静止在水平桌面上其正上方固定一螺线管QP和Q共轴Q中通有变化电流i电流随时问变化的规律如图b所示P所受的重力为 sketch template

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