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 #5210 I love you by Saul Mansanares

anonymous

anonymous
sketch #5210 I love you by Saul Mansanares

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sketch #3448 Treba mi bolji "mish " ;)

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Laura Agapi Asnicar
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sketch #4751 Ruko by Rodrigo Marcos

sketch #4209 bushy

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sketch #5160 Marilyn Monroe by Muhammet Karadoğan

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anonymous
sketch #5160 Marilyn Monroe by Muhammet Karadoğan

sketch #5350

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sketch #5093 Pedro Henrique Jordan Coquet

anonymous

anonymous
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anonymous
sketch #4874 Milla Jovovich by Kimmy Kitty Perry Priemus

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sketch #4287 eye

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sketch #1504 donara

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sketch #3254 derp

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sketch #4134 1 min sketch

Nemo Archt
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sketch #4975 Orange by Marcos Roberto Molina

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sketch #4975 Orange by Marcos Roberto Molina

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

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电源�动变阻器与螺线管相连在螺线管的右端放置一个小磁针闭合开关小磁针静止时N极水平�右则 A通电螺线管左端为 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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

中考物理考点解读：通电螺线管的磁场知乎 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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，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

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甲乙两个螺线管靠很�串联在同一电路中 1标出螺线管甲的N极和S极 2若使两螺线管互相排斥试在图中画出螺线管乙的 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

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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

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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

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

19．如图所示abc三枚小磁针分别放在通电螺线管的正上方管内和右侧当开关闭合时这些小磁针静止时小磁针的N极指�为 A．ab 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

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

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

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通电螺线管两侧各悬挂一个小铜环铜环平面与螺线管截面平行当电键S接通一瞬间两铜环的运动情况是A同时�两侧推开B同时�螺线管 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

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