如图所示的电路当电路闭合后电流表a1的示数如图所示a2的示数如图所示．1请写出流过电灯l2的电流和干路中电流大小并说明判断依据 Sketch Coloring Page

如图所示的电路当电路闭合后电流表a1的示数如图所示a2的示数如图所示．1请写出流过电灯l2的电流和干路中电流大小并说明判断依据 Template

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anonymous

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sketch #3483 Ginger

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anonymous

anonymous
sketch #3447 Hidan (Akatsuki) by ßeyza Karaca

sketch #3999 Deadmau by Speeð Üp Säm

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anonymous
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sketch #2636 Robitina by sketchmaster

sketchmaster
sketch #2636 Robitina by sketchmaster

sketch #933 mts

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anonymous
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sketch #3365 Igor by Johan Kennet Espinoza Moreno

anonymous

anonymous
sketch #3365 Igor by Johan Kennet Espinoza Moreno

sketch #3599 Lovely pencil face

anonymous

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sketch #3919 this is not my best but i did it because it looks very cool

anonymous

anonymous
sketch #3919 this is not my best but i did it because it looks very cool

sketch #342 Forest scene

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sketch #4555 Mario by Alexander Volodimirovich Danilchenko

anonymous

anonymous
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sketch #4582 Pikachu by Mariana Sanchez Acevedo

anonymous

anonymous
sketch #4582 Pikachu by Mariana Sanchez Acevedo

sketch #2881 Mickey Mouse by Michael Angcay

anonymous

anonymous
sketch #2881 Mickey Mouse by Michael Angcay

sketch #68509

anonymous

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sketch #1131 nərgiz

anonymous

anonymous
sketch #1131 nərgiz

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anonymous

anonymous
sketch #323

sketch #4429 Spongebob by Brenda Peña

anonymous

anonymous
sketch #4429 Spongebob by Brenda Peña

sketch #5191 The View by Vicente Vera

anonymous

anonymous
sketch #5191 The View by Vicente Vera

sketch #687 Buddha Peace

anonymous

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sketch #687 Buddha Peace

sketch #3157 umpa lumpa

anonymous

anonymous
sketch #3157 umpa lumpa

sketch #2836 Angry smurf maradona by BaGaz Anggara

BaGaz Anggara
sketch #2836 Angry smurf maradona by BaGaz Anggara

sketch #5054 Angelina Jolie by Hailey So Pretty

anonymous

anonymous
sketch #5054 Angelina Jolie by Hailey So Pretty

sketch #4685 Dave Mustaine by Erika Ishikawa

anonymous

anonymous
sketch #4685 Dave Mustaine by Erika Ishikawa

sketch #5311

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sketch #5325

anonymous

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sketch #5325

tomski如图所示的电路当电路闭合后电流表a1的示数如图所示a2的示数如图所示．1请写出流过电灯l2的电流和干路中电流大小并说明判断依据 coloring

第一讲 电路的基本概念和基本定律 sketch template

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

在如图所示的电路中，电源电压保持不变，定值电阻R1的阻值为10Ω，�动变阻器R2上标有“2A”字样。闭合开关S，移动�片P至电路中的电流最大 sketch template

如图甲所示的电路当开关S闭合后两电流表的指针偏转如图乙所示其中电流表A1测量的是通过L1和L2选填“L1 “L2 或“L1和L2 sketch template

如图2所示电路，当开关S闭合后，L1、L2均能�光，电流表、电压表均有示数．过一会儿，两灯都不�光．电流表、电压表的示数均为零，可能�生的故障 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

2闭合电路的欧姆定律 sketch template

“探究电流与电阻关系”的实验实物图如图甲所示，定值电阻的阻值分别为5Ω、10Ω、15Ω、20Ω。（1）连接电路时�现，电路中有一根导线连接错误 sketch template

如图所示的电路闭合开关后两电流表示数如表盘指示位置相同则L1的电流为03AL2的电流为12A灯L1损坏时灯L2能正常�光 sketch template

在如图甲所示的电路中当闭合开关后两个电流表指针偏转均为图乙所示则通过电灯L1和L2的电流分别为 A．17A 034AB．1 sketch template

题目1如图甲所示的电路当开关S闭合后电流表的指针偏转如乙图所示其中电流表A1测量的是通过选填“电源 “L1 或“L2 的 sketch template

如图所示的电路当开关S闭合后电流表A1的指针偏转了量程的电流表A2偏转了量程的所用的电流表为实验室用的双量程电流表求1通过灯泡 sketch template

在如图所示的电流表中电流表A1的示数为05A电流变A2的示数为02A电流表A3的示数为04A求1A的示数为多�2 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．S2S3S1B．S1S3S2C．S1S2S3——青 sketch template

如图所示的电路中电源的电压不变灯L3的阻值为10Ω当闭合开关S后电流表的示数为1A电压表的示数为2V过一段时间后电压表示数为6V 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

如图所示的电路中电源两端的电压保持不变．闭合开关S将�动变阻器的�片P�右移动下列说法正确的是 A．电压表V1示数不变V2示数变大 sketch template

如图所示电路电源电压U不变当开关S1S2S3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

如图所示的电路当闭合开关S时以下说法正确的是 A．电路中的总电阻不变 B．电路中的总电阻增大 C．灯L变亮 D．灯L变暗——青夏教育 sketch template

如图所示的电路图电源电压U=10V且保持不变．当S1S2S3都闭合时�片P在R3中间某位置电流表A1的示数为7AA2的示数为2A sketch template

如图所示电路中电源电压不变当S闭合且�片P�左�动时各电表示数的变化情况是 AA1表读数不变BA2表读数变大CV1表读数变大 sketch template

百度教育 sketch template

在图所示的电路中电源电压保持不变闭合电键S当�动变阻器的�片P�右移动时电流表A1的示数将 19 电压表V与电流表A示数的比值将 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

如图所示的电路中电源两端电压为6V并保持不变定值电阻R1的阻值为100Ω�动变阻器R2的最大阻值为50Ω当开关S闭合�动变阻器的�片 sketch template

如图所示的电路R1=30ΩR2=10Ω开关S闭合后电流表A的示数为04A求R1两端的电压U1通过R2的电流I2和总电流I．题目 sketch template

如图所示的电路开关闭合后电源电压保持不变．当�动变阻器的�片P�右�动时下列说法错误的是A三个电阻是并联关系B电流表A1示数不变C sketch template

如图所示的电路中电源两端电压不变灯泡的电阻不随温度变化闭合开关S后�动变阻器的�片P由图示位置�a端�动的过程中下列说法正确的是A 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23S2断开再闭合的过程 sketch template

如图所示电路电源电压不变当开关闭合时�动变阻器的�片�右移动下列判断错误的是 A电流表A1的示数不变 B电压表V的示数不变C 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

如图所示的电路电源电压不变．当开关S由断开到闭合电路中 A．电流表示数不变电阻R2两端电压减小B．电流表示数变大电阻R2的功率变大 sketch template

如图所示的电路当电路闭合后电流表A1的示数如图所示A2的示数如图所示．1请写出流过电灯L2的电流和干路中电流大小并说明判断依据 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SS1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

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