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 #1255 something

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sketch #3774 Marilyn Manson by Junior Silva

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sketch #2483 Una Catrina by sketchmaster

sketchmaster
sketch #2483 Una Catrina by sketchmaster

sketch #90 JF Style!

Jaroslav Florian
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anonymous

anonymous
sketch #5286 Adventure Time by Manu Kp

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sketchmaster
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Nassim Nouri
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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

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

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

中考物理考点解读：通电螺线管的磁场知乎 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

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

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

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

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

通电螺线管要点解读知乎 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

中考物理考点解读：通电螺线管的磁场知乎 sketch template

题目如图所示的电路中电源电压为 6V且保持不变�动变阻器 R 的规格为“40Ω 1A 定值电阻 R1的规格为“10Ω 05A 只 sketch template

如图所示条形磁铁始终静止．螺线管的两端与�属导轨相连当导体AB在导轨上�右�动时静止水平桌面上的条形磁铁受到�右的�擦力当导体AB�左 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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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

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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虚线框内画出了通电螺线管C的A端通电螺线管D的B端以及小磁针在各位置上静止时的指�图中小磁针涂�的一端为小磁针的N极由此可以 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

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

中考物理考点解读：通电螺线管的磁场知乎 sketch template

如图所示螺线管导线的两端与两平行�属板相连接一个带正电的小球用绝缘丝线悬挂于两�属板间并处于静止状态．现将条形磁铁的N极突然插入螺线管 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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在通电密绕长螺线管靠�左端处吊一�属环a处于静止状态在其内部也吊一�属环b处于静止状态两环环面均与螺线管的轴线垂直且环中心恰在 sketch template

2．如图所示在通电螺线管的�围放着能够自由转动的小磁针abcd这四个磁针静止时位置正确的是 A．磁针a B．磁针b C sketch template

14．如图所示粗细均匀的�属环的电阻为R可转动原�属杆OA的电阻为R/4杆长为LA端与环相接触一定值电阻分别与杆的端点O及环边连接 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2所示的电路中电源电压不变开关闭合后若�动变阻器的�片P�右端移动则 A电压表的示数和电流表的示数都增大 B电压表的示数和电流 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

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