如图甲所示两灯泡l1l2在盒内的连接方式未知电源不变．开关闭合后两灯均�光电流表读数为045a．若把l1取下l2仍�光电流表读数 Sketch Coloring Page

如图甲所示两灯泡l1l2在盒内的连接方式未知电源不变．开关闭合后两灯均�光电流表读数为045a．若把l1取下l2仍�光电流表读数 Template

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sketch #1477 123 viva l 'algerie

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sketch #859 meyvalar

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sketch #5249 Adele - Skyfall by Mert Arda Yiğit

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sketch #5249 Adele - Skyfall by Mert Arda Yiğit

sketch #5179 Audrey Hepburn by 陳一夫

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sketch #5179 Audrey Hepburn by 陳一夫

sketch #3617 D from Gorillaz by Joselyne Angel Gormaz

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sketch #3617 D from Gorillaz by Joselyne Angel Gormaz

sketch #1451 mi6softlab vibra

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sketch #1451 mi6softlab vibra

sketch #5066 Rey Helado by Gleny Acevedo

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sketch #5066 Rey Helado by Gleny Acevedo

sketch #3459 BLUE from fosters imagenary friends

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sketch #3459 BLUE from fosters imagenary friends

sketch #5198 Sakura Claudio Pose Jester Genso

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sketch #5198 Sakura Claudio Pose Jester Genso

sketch #5259

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sketch #5259

sketch #378 Guess what flag?
ɔılqndǝɹ ɥɔǝzϽ

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sketch #378 Guess what flag? ɔılqndǝɹ ɥɔǝzϽ

sketch #5090

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sketch #5090

sketch #1927

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sketch #1927

sketch #1973

Daniel Lachman
sketch #1973

sketch #2836 Angry smurf maradona by BaGaz Anggara

BaGaz Anggara
sketch #2836 Angry smurf maradona by BaGaz Anggara

sketch #124 saurez

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sketch #124 saurez

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sketch #4876 Luffy by Nycole Prietsch

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sketch #4876 Luffy by Nycole Prietsch

sketch #3350 Gerard Way by Carrieann Benthem

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sketch #3350 Gerard Way by Carrieann Benthem

sketch #4855

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sketch #4855

sketch #2464 Spongebob by sketchmaster

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sketch #2464 Spongebob by sketchmaster

sketch #1183

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sketch #4979 Luffy

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sketch #5153 Random Access Memories by Khin Nyunt

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sketch #5153 Random Access Memories by Khin Nyunt

tomski如图甲所示两灯泡l1l2在盒内的连接方式未知电源不变．开关闭合后两灯均�光电流表读数为045a．若把l1取下l2仍�光电流表读数 coloring

图甲是小灯泡L1和L2的电流随电压变化的图像。将它们按图乙所示接入电路中，闭合开关S时，小灯泡L1的实际功率为1W。则下面的说法中正确的是 sketch template

如图甲所示两灯泡L1L2在盒内的连接方式未知电源不变．开关闭合后两灯均�光电流表读数为045A．若把L1取下L2仍�光电流表读数 sketch template

如图所示两灯泡L1L2铭牌上可见的字符分别是“VW “ 表示此处字符看不清“6V24W 在盒内的连接方式未知开关闭合 sketch template

如图所示有两节干电池两个小灯泡L1L2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

将额定电压相同的两个灯泡L1L2串联后接入电路中如图所示．接通电路后�现L1要亮一些则下列判断正确的是 A．L1的电阻比L2的小B sketch template

题目如图甲所示电路两灯正常�光电流表A1的示数为06A电流表A2的示数如图乙所示．则 A两灯是串联连接的B流过L1的电流 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

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将灯L1L2按图甲乙两种方式接在电压均为U的两个电路中在甲图中灯L1的功率为4W在乙图中灯L1的功率为9W．设灯丝电阻不变 sketch template

如图所示两盏相同的灯泡在电路闭合后都能正常�光过一会儿两盏灯都熄灭了此时电路中的电流表没有示数但电压表有示数那么电路�生的故障可能是 sketch template

如图甲所示两灯泡L1L2在盒内的连接方式未知电源不变．开关闭合后两灯均�光电流表读数为045A．若把L1取下L2仍�光电流表读数 sketch template

题目如图甲所示电路中电源电压可调灯L1L2的额定电压均为6VL1L2的I U关系图象如图乙所示闭合开关S逐步调大电源电压至 sketch template

一轮复习：描绘小灯泡伏安特性曲线知乎 sketch template

实验课上同学们把两个相同规格的小灯泡连接在如图甲所示的电路中闭合开关后两灯�光．此时一同学不小心把L1的玻璃外壳打破了结果L1熄灭 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

如图所示的电路下列说法正确的是A 只闭合开关S1灯泡L1与�动变阻器并联电流表测干路电流B 只闭合开关S2灯泡L1与�动变阻器并联 sketch template

用电流表和电压表测25V小灯泡额定功率．实验电路如图甲所示．闭合开关调节�动变阻器�片当小灯泡正常�光时电流表示数如图乙所示．1 sketch template

如图甲所示的电路中电源两端的电压恒为6V．闭合开关后电流表A1的示数如图乙所示电流表A2的示数为03A．求1灯泡L2消耗的功率 sketch template

28．在图所示“组成串联电路 的实验中当开关S闭合后灯L1L2均不亮某同学用一根导线去查找电路的故障他将导线先并接在灯L1两端时 sketch template

为了“测量小灯泡的电功率”，某小组同学设计了如图甲所示的电路图，已知小灯泡上标有“25V”字样。请回答下列问题： 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

甲乙两组同学利用如图甲所示的电路测定小灯泡的额定功率．已知小灯泡的额定电压为25V�动变阻器铭牌上标有“10Ω 2A 的字样电源电压不 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

某同学将如图所示的三个灯泡连接在电路里接线良好当闭合开关时三个灯泡都不亮则 A．甲灯泡丝断了B．乙灯泡丝断了C．丙灯泡丝断了D．都 sketch template

题目某同学利用如图所示的电路测量小灯泡的电阻小灯泡标有“2．5 V 的字样他记录的实验数据如下表所示其中有一次记录的电流表示数是错误 sketch template

小灯泡L和定值电阻R接在如图甲所示的电路中其两者的I U关系图象如图乙所示下列说法中正确的是 A 图乙中曲线A表示电阻R的I U sketch template

如图甲所示是伏安法测定小灯泡电阻功率的实验电路图．小灯泡正常工作时两电表的示数如图乙所示则下列说法不正确的是A在连接电路时应将开关 sketch template

15．请在如图2所示的家庭电路中以笔画线代替导线将一个两孔插座和一个带按钮开关的螺丝口灯泡接入电路——青夏教育精英家教�—— sketch template

如图所示两灯泡L1L2铭牌上可见的字符分别是“VW “ 表示此处字符看不清“6V24W 在盒内的连接方式未知开关闭合 sketch template

如图甲所示的电路中开关闭合后电流表的指针偏转均为如图乙所示则通过灯泡L1和L2的电流表分别是 A．044A 22AB．044A 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

如图甲所示额定电压为6V的灯泡L与�动变阻器R串联接入电路电源电压一定�动变阻器的�片从最右端�到最左端时灯泡L的I U图象如图乙所示 sketch template

题目如图甲的电路中电源电压保持不变闭合开关后�片P由b端移到a端电流表示数I与电压表示数U的变化关系如图乙所示则可判断电源电压是 sketch template

小敏用如图甲所示的电路图研究通过导体的电流与导体电阻的关系电源电压恒为6V改变电阻R的阻值调节�动变阻器�片保持R两端的电压不变记 sketch template

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