如图所示先闭合开关s2再闭合开关s1则电磁铁的磁性将a不变b减弱c增强d无法判断——青夏教育精英家教�—— Sketch Coloring Page

如图所示先闭合开关s2再闭合开关s1则电磁铁的磁性将a不变b减弱c增强d无法判断——青夏教育精英家教�—— Template

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

sketch #2740 Monster by Gabriela Segura

Gabriela Segura
sketch #2740 Monster by Gabriela Segura

sketch #3755 Panda by Roberto Castro Colimil

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anonymous
sketch #3755 Panda by Roberto Castro Colimil

sketch #378 Guess what flag?
ɔılqndǝɹ ɥɔǝzϽ

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anonymous
sketch #378 Guess what flag? ɔılqndǝɹ ɥɔǝzϽ

sketch #5343

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anonymous
sketch #5343

sketch #600

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anonymous
sketch #600

sketch #1669

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anonymous
sketch #1669

sketch #245 Fishy

Lucy Barnard
sketch #245 Fishy

sketch #5278 Cosmos by Jenna Khoùlix�

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sketch #5278 Cosmos by Jenna Khoùlix�

sketch #5103

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anonymous
sketch #5103

sketch #3149 Dude with a sword by Elio Hernandez

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sketch #3149 Dude with a sword by Elio Hernandez

sketch #3088 Billy from Saw by Naulian Ciko

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sketch #3088 Billy from Saw by Naulian Ciko

sketch #3708

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anonymous
sketch #3708

sketch #3133 Skrillex by Asfa Sajid

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sketch #3133 Skrillex by Asfa Sajid

sketch #4467

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anonymous
sketch #4467

sketch #846 cat fridayz z z zzzz zz

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sketch #846 cat fridayz z z zzzz zz

sketch #3496

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anonymous
sketch #3496

sketch #2635 Zoidberg by sketchmaster

sketchmaster
sketch #2635 Zoidberg by sketchmaster

sketch #929 tree stump

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sketch #929 tree stump

sketch #5179 Audrey Hepburn by 陳一夫

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sketch #5179 Audrey Hepburn by 陳一夫

sketch #3581 Dante

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anonymous
sketch #3581 Dante

sketch #5171

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anonymous
sketch #5171

sketch #798

Laura Agapi Asnicar
sketch #798

sketch #804

Laura Agapi Asnicar
sketch #804

sketch #1450

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anonymous
sketch #1450

sketch #3698

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anonymous
sketch #3698

sketch #5330 Frozen by Amanda Kachadurian

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sketch #5330 Frozen by Amanda Kachadurian

sketch #5210 I love you by Saul Mansanares

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anonymous
sketch #5210 I love you by Saul Mansanares

sketch #286 sun

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sketch #286 sun

sketch #4522 Adventure Time by KiNg Buamir

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sketch #4522 Adventure Time by KiNg Buamir

sketch #4640 Serj Tankian by Dav Guzman Mendoza

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sketch #4640 Serj Tankian by Dav Guzman Mendoza

tomski如图所示先闭合开关s2再闭合开关s1则电磁铁的磁性将a不变b减弱c增强d无法判断——青夏教育精英家教�—— coloring

如图所示先闭合开关S2再闭合开关S1则电磁铁的磁性将A不变B减弱C增强D无法判断——青夏教育精英家教�—— sketch template

题目如图甲所示的电路中小灯泡L标有“6V 3W 字样闭合开关SS1断开开关S2将�动变阻器的�片P从最左端移动到最右端在图乙中 sketch template

如图所示电路中的总电压和灯L的电阻保持不变当闭合开关S1断开开关S2和S3时灯L正常�光电压表示数为6V当闭合开关S1S2断开 sketch template

如图所示的电路中若要使灯L1和L2组成并联电路应闭合开关 应断开开关 A．S2S3S1B．S1S3S2C．S1S2S3——青 sketch template

如图所示的电路中闭合开关S1S2小灯泡L1和L2正常�光电流表和电压表均有示数下列关于该电路的说法正确的是A 电流表测量干路中的 sketch template

如图所示电路中的总电压和灯L的电阻保持不变当闭合开关S1断开开关S2和S3时灯L正常�光电压表示数为6V当闭合开关S1S2断开 sketch template

1如图甲所示电路中要使灯L1和L2连接成并联电路应闭合S2S3同时断开开关S1要使两灯连接成串联电路应闭合开关S1同时断开开关 sketch template

如图所示的电路中电源的电压保持不变R1为定值电阻R2为�动变阻器闭合开关S�片P�右移动时则A．电流表A的示数变大B．电压表V的示 sketch template

如图所示电路开关S1闭合后S2的断开与闭合使电流表A2的两次示数之比为35由此可知R1与R2的阻值之比为23S2断开再闭合的过程 sketch template

题目如图甲所示电路电源电压保持不变当闭合开关 S1断开 S2时调节�动变阻器的�片从最右端�至最左端时电流表与电压表示数的关系 sketch template

如图所示先闭合开关S1再闭合开关S2相同时间内电路中消耗的电能将 A．减小B．增大C．不变D．无法判断 题目和参考答案——青夏教育 sketch template

如图所示的电路下列说法中正确的是A只闭合开关S1时小灯泡与�动变阻器串联B只闭合开关S2时电流表无示数C闭合开关S1和S2�右 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

如图所示的电路中若同时闭合开关S1和S3、断开S2电阻R1与R2是 的若只闭合开关S2电阻R1和R2是 的均选填 sketch template

如图图所示电源电压保持不变先闭合开关S1电压表示数为U1再闭合开关S2电压表示数为U2电阻R1R2的阻值之比为A U1︰U2 B sketch template

如图所示的电路中电源电压不变电阻R1的阻值为20Ω．当断开开关S1和S2闭合开关S3时电流表的示数为050A当断开开关S2闭合 sketch template

如图所示电路，若只闭合开关S1、S3，则R1、R2的连接方式是（“串联”或“并联”）；若同时闭合开关S1、S2、S3，则电路为（“通路 sketch template

如图所示要使灯L1和L2串联应闭合开关S2S2要使灯L1和L2并联应闭合开关S1S3S1S3绝对不允许同时闭合开关S1S2S1 sketch template

如图所示电路电源电压U不变当开关S1S2S3都闭合时电路处于选填“断路 “短路或“通路状态若只闭合开关S2小灯泡L1 sketch template

如图所示在检查照明电路故障时常先断开所有开关然后将一个普通的白炽灯L与熔断的熔丝并联．当闭合开关SS1时校验灯L正常�光说明L1所在 sketch template

题目如图所示是教材中演示自感现象的两个电路图L1和L2为自感系数很大直流电阻不计的线圈下列说法中正确的是A 闭合开关S1待电路 sketch template

如图所示电源电压保持不变已知R1=20Ω当只闭合开关S1时电流表的示数为06A当只闭合开关S2时电流表的示数为02A．求1 sketch template

某直流电动机M转动时的U I图象如图甲所示该同学利用图乙的实验电路研究电动机的转动情况电路中使用恒压电源R1=15ΩR2是�动变阻器 sketch template

如图所示的电路中先闭合开关S1后再闭合S2则 A．灯泡L1亮L2不亮电压表将电源短路了 B．灯泡L2亮L1不亮电压表示数 sketch template

如图所示电路中电源电压适当要使电铃和电灯同时有电流通过以下做法中正确的是A．闭合S2断开S1S3 B．断开S3闭合S1S2 C 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电源电压不变当开关S1S2同时闭合时电流表的示数是03A电压表示数是6V．若两表互换位置当开关S2闭合S1断开时电流 sketch template

如图所示的电路中下列说法不正确的是A 只闭合开关S1 灯L2�光 B 只闭合开关S2 两个灯泡串联C 开关S1S2S3可以 sketch template

如图所示的电路中要使灯泡L1和灯泡L2组成串联电路应将开关S1断开开关S2闭合开关S3 要使灯泡L1和灯泡L2组成并联电路应将开关 sketch template

如图所示电路中S2为单刀双掷开关下列各种做法能使两个灯泡都能�光的是A闭合S1把S2拨到bB断开S1把S2拨到bC闭合S1把 sketch template

如图所示闭合开关S时小灯泡L1L2都不亮用一段导线的两端接触ab两点时两灯都不亮接触bc两点时两灯也不亮接触cd两点时 sketch template

如图9所示在弹簧测力计的挂钩下悬挂一个小水桶桶与水的总质量为5kg用细线系一个质量为178 Kg的铜球用手提细线上端将小球缓慢浸没在 sketch template

如图所示的电路中电源电压保持不变R为定值电阻当开关闭合时标有“6V 3W 的小灯泡L恰好正常�光若保持R不变将L换成另一只标有 sketch template

题目如图所示电路电源电压恒定为3VR2=10Ω当S2闭合S1S3断开时R1R2连接方式是联此时电流表示数为01AR1 sketch template

如图所示电路电源两端电压不变只闭合开关S1时电流表的示数为02A只闭合开关S2时电流表的示数为01A只闭合S3时电流表的示数 sketch template

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