如图所示有两只灯泡�动变阻器开关干电池两节电流表一个要用�动变阻器控制l1的电流且�片p�右移动时电流表示数增大l2的亮度不变 Sketch Coloring Page

如图所示有两只灯泡�动变阻器开关干电池两节电流表一个要用�动变阻器控制l1的电流且�片p�右移动时电流表示数增大l2的亮度不变 Template

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anonymous

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sketch #4997 Rafael Leite Jose Rondon

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sketch #1551 donara

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sketch #5158 Till Lindemann by Cristina Love

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anonymous
sketch #5158 Till Lindemann by Cristina Love

sketch #2699 Girl in shades Ashok Kumar Chaturvedi

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

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sketch #5222 Magic Art Tin Sheek

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sketch #5222 Magic Art Tin Sheek

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anonymous
sketch #5140 Jigsaw by Lajla Nygaard Laursen

sketch #5156 Angry Bird by Roberto Castro Colimil

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sketch #3505 Django

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anonymous
sketch #3107 Hitman by Miguel Edgardo Montes Cuaresma

sketch #4349 Cícero Николай Герасимов

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anonymous
sketch #4349 Cícero Николай Герасимов

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anonymous
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sketch #3774 Marilyn Manson by Junior Silva

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sketch #3774 Marilyn Manson by Junior Silva

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anonymous
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sketch #5155

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sketch #1964 愛鼠繪

愛君
sketch #1964 愛鼠繪

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anonymous
sketch #3365 Igor by Johan Kennet Espinoza Moreno

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sketch #2483 Una Catrina by sketchmaster

sketchmaster
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sketch #2479 C 'est qui ? Un rasta qui a manger trop de poulpe farcis. ? Un vieux chanteur de blue grass ? Najdica tomktoo ? A vous de me dire...

Pascal Quéru
sketch #2479 C 'est qui ? Un rasta qui a manger trop de poulpe farcis. ? Un vieux chanteur de blue grass ? Najdica tomktoo ? A vous de me dire...

tomski如图所示有两只灯泡�动变阻器开关干电池两节电流表一个要用�动变阻器控制l1的电流且�片p�右移动时电流表示数增大l2的亮度不变 coloring

如图所示有两节干电池两个小灯泡L1L2电键和电流表电压表要求把小灯泡串联在电源上并用电压表测量L1两端电压用电流表测量电路的总 sketch template

如图所示将两只额定电压相同的灯泡L1L2串联在电路中闭合开关S后�现L1亮L2不亮．对此有下列几种猜想其中可能的是 �L2灯丝 sketch template

如图所示现有两只灯泡电源电流表开关及�动变阻器各一个．某小组要设计符合如下要求的电路灯L1L2要并联电流表测通过灯L2的 电流 sketch template

题目有两只灯泡A灯“6V 6W B灯 “6V 3W A和B中电流随两端电压变化关系的图像如图甲所示．1将AB并联接在6V电源 sketch template

一轮复习：描绘小灯泡伏安特性曲线知乎 sketch template

一轮复习：描绘小灯泡伏安特性曲线知乎 sketch template

题目两只铭牌模糊的小灯泡L1L2仅能看清分别标有“03A 和“05A 字样1如图是小明测量小灯泡L1额定功率时连接的实物图 sketch template

如图所示将两只额定电压相同的灯泡L1L2串联在电路中闭合开关S后�现灯泡L1较亮灯泡L2较暗此现象说明 A灯泡L1的阻值 sketch template

23． 如图14甲所示小灯泡L1和L2 额定电压均为6VAB分别为L1 和L2中的电流随两端电压变化关系的曲线现将两灯连入图乙所示 sketch template

如图所示L1和L2是两只相同的小灯泡ab是电流表或电压表闭合开关S后若两灯都能�光则a表是 表b表是 表——青夏教育精英家教�—— sketch template

如图所示电路闭合开关两只灯泡都不亮且电流表和电压表的指针都不动．现将两灯泡L1和L2的位置对调再次闭合开关时�现两只灯泡仍不亮电流 sketch template

题目如图甲乙所示的两个电路若将甲中的灯泡L2拧掉闭合开关你将看到灯泡L1 �光/不�光若在图甲中把一根导线接在灯泡L2的两端 sketch template

如图所示有两只灯泡�动变阻器开关干电池两节电流表一个要用�动变阻器控制L1的电流且�片P�右移动时电流表示数增大L2的亮度不变 sketch template

谢惠伊和陈彦霖同学在课堂上做电学实验，实验器材有：多节干电池、两个小灯泡L1“25V 03A”和L2“38V03A”、电压表、开关及 sketch template

如图所示的两个电路当�动变阻器�片�右移动时灯泡L1 L2亮度变化情况是 A．L1变亮L2变暗B．L1L2都变亮C．L1变暗L2不 sketch template

如图甲所示是“测定小灯泡电功率”实验的装置图，电源电压为4V且保持不变，小灯泡额定电压为25V，阻值约为9Ω，�动变阻器标有“20Ω 1A”字样。 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

如图所示闭合开关S灯泡L1L2都能正常�光两只电表都有示数工作一段时间后灯泡L1突然熄灭L2仍然正常�光两只电表均无示数则 sketch template

题目如图所示的电路中电源电压恒为3V灯泡L1标有“3V 3W L2标有“6V 的字样电流表的量程为0 06A电压表的量程 sketch template

如图所示把标有“6V 3W 的小灯泡与最大阻值为100Ω的�动变阻器连接在电源电压恒为18V的电路中各表的示数均不超过所选量程且灯泡两端 sketch template

如图所示小亮做实验时把甲乙两只灯泡并联后接在电源上．闭合开关后�现甲灯不�光乙灯�光．经检查电路连接正确两只灯泡都完好无损．则甲 sketch template

4．如图1所示在开关和小灯泡之间连着两个�属夹A和B在�属夹之间分别接入硬币铅笔芯橡皮和�料尺闭合开关后小灯泡能�光的是 A sketch template

31．图21所示是研究串联电路中灯泡两端的电压跟总电压关系的实验电路图闭合开关s后两个灯泡都不�光为查找电路故障把电压表并联在 sketch template

如图所示为某同学实验得到的小灯泡灯丝电阻的U I关系曲线图．1在左下框中画出实验电路图根据该电路图可得到U I关系的完整曲线可用的 sketch template

如图所示的电路中123456为连接点的标号．在开关闭合后�现小灯泡不亮．现用多用电表检查电路故障需要检测的有电源开关小 sketch template

如图1是小伟组测量标有“25V 的小灯泡电阻的实物连线图．已知�动变阻器最大阻值为R01请用铅笔画线代替导线将电路补充完整．2 sketch template

某同学在做“调节灯泡亮度 的电学实验时电路如图所示电源电压恒为45V电压表量程“0 3V �动变阻器规格“20Ω L A 灯泡L标 sketch template

如图所示电源电压恒定小灯泡标有“3V 15W 字样�动变阻器电阻R1的阻值为0 27Ω定值电阻R2的阻值为27Ω．当干路开关S闭合 sketch template

题目如图甲所示电路电源电压不变小灯泡L的额定功率为0625W乙图是该小灯泡I U图像�动变阻器的最大阻值R为定值电阻R0的三倍 sketch template

如图所示是一个可以调节亮度的台灯电路图，小灯泡上标有“6V3W”字样，电源电压为9V，变阻器的调节范围是030Ω，问： 1小灯泡的电阻多 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电源电压保持不变小灯泡L标有“6V 3W 的字样�动变阻器R1的阻值变化范围为0 50Ω定值电阻R2的阻值为5Ω．1小灯泡 sketch template

如图 8所示是标有“25V 字样的小灯泡L的电阻值随它两端电压变化的图像将小灯泡L和电阻R接入如图 9所示的电路中电源电压为6V当开关 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

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