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 Coloring Page

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 Template

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sketch #2536

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anonymous
sketch #2536

sketch #4948 Snow White by George Lucaz

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sketch #4948 Snow White by George Lucaz

sketch #3127 Hulk George Lucaz

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anonymous
sketch #3127 Hulk George Lucaz

sketch #4640 Serj Tankian by Dav Guzman Mendoza

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anonymous
sketch #4640 Serj Tankian by Dav Guzman Mendoza

sketch #4601 PSY Gentleman by Luis Daniel Sanchez Ramirez

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sketch #4601 PSY Gentleman by Luis Daniel Sanchez Ramirez

sketch #4835 L from Death Note by Adidtzu Ady

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anonymous
sketch #4835 L from Death Note by Adidtzu Ady

sketch #5289

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anonymous
sketch #5289

sketch #5306 Katarina by Mirnes Sinanovic

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anonymous
sketch #5306 Katarina by Mirnes Sinanovic

sketch #1470

Laura Agapi Asnicar
sketch #1470

sketch #2573 homer simpson

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anonymous
sketch #2573 homer simpson

sketch #2625 Dragon by sketchmaster

sketchmaster
sketch #2625 Dragon by sketchmaster

sketch #1453

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anonymous
sketch #1453

sketch #3232

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anonymous
sketch #3232

sketch #2699 Girl in shades Ashok Kumar Chaturvedi

Ashok Kumar Chaturvedi
sketch #2699 Girl in shades Ashok Kumar Chaturvedi

sketch #1414

Chayrolfrypan
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sketch #4480 ZOMBIE by Rubel Parvez

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anonymous
sketch #4480 ZOMBIE by Rubel Parvez

sketch #3365 Igor by Johan Kennet Espinoza Moreno

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sketch #3365 Igor by Johan Kennet Espinoza Moreno

sketch #1122 norooz

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anonymous
sketch #1122 norooz

sketch #5210 I love you by Saul Mansanares

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anonymous
sketch #5210 I love you by Saul Mansanares

sketch #3667

anonymous

anonymous
sketch #3667

sketch #2889

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anonymous
sketch #2889

sketch #4724 Turtwig by Mark Robson

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anonymous
sketch #4724 Turtwig by Mark Robson

sketch #4305 Burka,

Ainhoa White
sketch #4305 Burka,

sketch #3643

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anonymous
sketch #3643

sketch #5186

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anonymous
sketch #5186

sketch #3686 Toy Story by Thania Arruda

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anonymous
sketch #3686 Toy Story by Thania Arruda

sketch #1432

Laura Agapi Asnicar
sketch #1432

sketch #2926 Power Puff Girls by Sylvie Rieux

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anonymous
sketch #2926 Power Puff Girls by Sylvie Rieux

sketch #5290 Kyuubi Jorge Valero

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sketch #5290 Kyuubi Jorge Valero

sketch #20594

anonymous

anonymous
sketch #20594

tomski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 coloring

如图所示，电源电压恒为18V，定值电阻R1=20Ω，�动变阻器R2标有“40Ω 05A”，电流表A的量程为006A，电压表量程为0 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电路中的总电压和灯L的电阻保持不变电阻R2的阻值为10Ω．当闭合开关S1断开开关S2和S3时灯L正常�光电流表示数为I当 sketch template

百度教育 sketch template

如图所示的电路中电源两端的电压保持不变闭合开关SS1当�片P 移至�动变阻器R2的A端时电压表V1的示数为U1电压表V2的示数为 sketch template

如图所示的电路电压表V1的示数为45V则灯L1两端的电压为 电压表V2的示数是电源电压是．题目和参考答案——青夏教育精英家教�—— sketch template

13．如图4所示电源电压和灯泡电阻都保持不变当�动变阻器的�片P由中点�右移动时下列判断不正确的是 A．电流表和电压表的示数都增大 B sketch template

如图所示电路中电源电压保持不变闭合开关S后将�动变阻器R2的�片P�右移动在此过程中 A．电流表A示数变大电压表V2示数变小B．电流 sketch template

如图甲所示电路中灯L上标有“6V 4W 的字样R1的最大阻值为18ΩR2=45Ω．1当开关S1S3都断开S2闭合时灯L正常 sketch template

如图所示电路电源电压不变闭合开关调节�动变阻器使灯泡变亮的过程中下列分析正确的是 A．电流表A的示数变小 B．电压表V1的示数变 sketch template

小强用电压表串联电路中灯泡两端的电压如图甲所示．电压表测的是灯 电压填“L1 或“L2 ．此时电压表示数如图乙所示电压表读数是 V sketch template

如图所示的电路中电源电压不变闭合开关S当�动变阻器的�片P从A�B�动时下列说法正确的是 A．电压表V1的示数变大B．电压表V2的 sketch template

如图所示电源电压U=6V电阻R1=4ΩR2=6Ω．灯泡L标有“6V 3W ．1当只闭合开关S1电流表示数为多�2当开关S1 sketch template

如图所示的电路中电源电压保持不变．当�动变阻器的�片P�右�动时 电流表和电压表的示数变化情况是 A．电流表和电压表的示数都变大 sketch template

第一讲 电路的基本概念和基本定律 sketch template

一轮复习：描绘小灯泡伏安特性曲线知乎 sketch template

如图所示电源电压为10V保持不变灯L的电阻为20Ω�动变阻器的最大阻值为30Ω求1电流表的最小示数2电路中的电流最小时灯 sketch template

如图所示的电路中，电源电压保持不变。闭合开关S后，�片P从b端移动到a端的过程，电压表示数U与电流表示数I的关系图像如图所示。下列说法正确的是（ sketch template

2．如图所示的电路中电源电压恒定为45V开关S闭合后电流表的示数为05A电压表V1的示数为3V当把�动变阻器的�片P移到最右端时 sketch template

2闭合电路的欧姆定律 sketch template

图所示的电路中电源两端电压U保持不变当只闭合开关S1时电压表的示数为U1电流表的示数I1为1A电阻R1消耗的电功率P1为4W电阻R2 sketch template

如图所示电源电压U保持不变．小华同学把标有“8V 16W 的灯泡L1和“12V 36W 的灯泡L2串联在电源两端闭合开关S后其中一只灯泡 sketch template

如图10所示的电路中电源电压不变闭合开关S电路正常工作过了一会儿两电表的示数都变大则该电路中出现的故障可能是 A灯泡L开路 sketch template

12．在如图所示的电路中电源电压恒定为U电键闭合后将�动变阻器R2的�片P�左�动时电路中的小灯泡L1L 2和L 3的亮度变化情况是 sketch template

36．如图所示三个电灯泡上均标有“6V6W 的字样在此电路中的灯泡均正常工作此电路电源的输出电压应为 伏安培表的示数为 安——青夏 sketch template

在如图所示的电路中电源电压不变．开关S闭合后移动�片P改变�动变阻器接入电路的阻值使电压表的示数从6V变化到2V同时观察到电流表的示 sketch template

如图所示的电路中电流表测量的是 A．通过灯L1的电流B．通过灯L2的电流C．通过灯L1和灯L2的电流之和D．电源供给电路的总电流题目和 sketch template

如图所示甲乙两个灯泡连接在电路中R甲＞R乙��可能是电流表或电压表．那么 A．如果��为电流表�为电压表则甲灯比乙灯 sketch template

如图1所示的电路中电源电压不变小灯泡的额定电压为25V图2是该小灯泡I U图象变阻器的最大阻值R为30Ω．闭合开关S当�片P置于某 sketch template

如图所示小灯泡标有“6V 36W 的字样�动变阻器的规格是“20Ω 1A 设电源电压小灯泡的电阻均保持不变．1�动变阻器的�片P sketch template

20．在如图所示电路中闭合电键S当�动变阻器的�动触头P�下�动时四个理想电表的示数都�生变化电表的示数分别用IU1U2和U3表示 sketch template

如图所示电路中的变压器为理想变压器K为单刀双掷开关P是�动变阻器R的�片U1为加在原线圈两端的交变电压I1I2分别为原线圈和副线圈 sketch template

如图所示要使灯泡L1和L2组成并联电路应 A．只闭合S2B．只闭合S3C．只闭合S1和S3D．只闭合S2和S3 题目和参考答案——青夏 sketch template

如图所示的电路中闭合开关S让开关S1和S2断开调节�动变阻器的�片P使其位于变阻器的a处此时灯泡L恰好正常�光电流表A和电压表V均有 sketch template

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