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 #4887 Jessica Rabbit by Garima Taneja

anonymous

anonymous
sketch #4887 Jessica Rabbit by Garima Taneja

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Laura Agapi Asnicar
sketch #1249

sketch #2562

anonymous

anonymous
sketch #2562

sketch #1116

Joselynn Ann Gossette
sketch #1116

sketch #2577

anonymous

anonymous
sketch #2577

sketch #895

anonymous

anonymous
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sketch #4769 Finn and Jake by Neo Ʀazor

anonymous

anonymous
sketch #4769 Finn and Jake by Neo Ʀazor

sketch #1562 Shaking red horse

anonymous

anonymous
sketch #1562 Shaking red horse

sketch #4232 Tobirama by Kadi Kader

anonymous

anonymous
sketch #4232 Tobirama by Kadi Kader

sketch #2082 mash

anonymous

anonymous
sketch #2082 mash

sketch #342 Forest scene

Chris Shrimp Lonsdale
sketch #342 Forest scene

sketch #1700

Laura Agapi Asnicar
sketch #1700

sketch #1973

Daniel Lachman
sketch #1973

sketch #5312

anonymous

anonymous
sketch #5312

sketch #3036 Wiz Khalifa by Malyi Link

anonymous

anonymous
sketch #3036 Wiz Khalifa by Malyi Link

sketch #314 Butterfly

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anonymous
sketch #314 Butterfly

sketch #2866 Soul Eater by Ani Chachua

anonymous

anonymous
sketch #2866 Soul Eater by Ani Chachua

sketch #5064

anonymous

anonymous
sketch #5064

sketch #4091 Irie

anonymous

anonymous
sketch #4091 Irie

sketch #3707 The Thinker

anonymous

anonymous
sketch #3707 The Thinker

sketch #2187

anonymous

anonymous
sketch #2187

sketch #4424 MJ by Nycole Prietsch

anonymous

anonymous
sketch #4424 MJ by Nycole Prietsch

sketch #1095

anonymous

anonymous
sketch #1095

sketch #25 Suzzy the stegosaurus

Rachel Roe
sketch #25 Suzzy the stegosaurus

sketch #2926 Power Puff Girls by Sylvie Rieux

anonymous

anonymous
sketch #2926 Power Puff Girls by Sylvie Rieux

sketch #2643 Spring chick

Rachel Roe
sketch #2643 Spring chick

sketch #2959 manga girl blue hair

anonymous

anonymous
sketch #2959 manga girl blue hair

sketch #4933 Tobi by Abdelwahab Haik

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anonymous
sketch #4933 Tobi by Abdelwahab Haik

sketch #1118 easy zombie

anonymous

anonymous
sketch #1118 easy zombie

sketch #3148

anonymous

anonymous
sketch #3148

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

通电螺线管要点解读知乎 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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

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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当开关闭合后通电螺线管上方的小磁针受力的作用保持静止则通电螺线管的右端是极电源的右端是极——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

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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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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

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．题目和参考答案 ——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均匀绕制的螺线管水平放置在其正中心得上方附�有一条用绝缘绳水平吊起的通电直导线L导线L与螺线管垂直．当螺线管通电后�现绝缘绳受到 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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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是一种延时继电器的示意图铁芯上有两个线圈A和B线圈A跟电源相连线圈B两端连在一起构成一个闭合电路K为弹簧连接衔铁DC是 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

在通电螺线管附�有个小磁针小磁针静止时N极所指的方�如图所示请在图中标出通电螺线管的NS极及电源的正负极．题目和参考答案——青夏教育 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

百度教育 sketch template

6．如图4所示两圆环AB置于同一水平面上其中A为均匀带电环B为导体环当A以如图所示的方�绕中心转时B中产生如图所示方�的感应电流则 sketch template

如图所示通电螺线管左端小磁针N极指�正确的是答案A 9电磁铁在生活和生产中有着广泛的应用图5中应用到电磁铁的设备有 答案AC sketch template

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