某同学在按图6所示图a的电路测 通过灯泡l的电流的实验中闭合开关s时� 现电流表指针偏转到如图b所示的位置于是 图6 ——青夏 Sketch Coloring Page

某同学在按图6所示图a的电路测 通过灯泡l的电流的实验中闭合开关s时� 现电流表指针偏转到如图b所示的位置于是 图6 ——青夏 Template

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sketch #3476 Happy valentines day! Simona Honigmelone

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sketch #3476 Happy valentines day! Simona Honigmelone

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tomski某同学在按图6所示图a的电路测 通过灯泡l的电流的实验中闭合开关s时� 现电流表指针偏转到如图b所示的位置于是 coloring

某同学在按图6所示图a的电路测 通过灯泡L的电流的实验中闭合开关S时� 现电流表指针偏转到如图b所示的位置于是 图6 ——青夏 sketch template

9．某同学在做“用电流表测电流 的实验中所用电路如图甲所示按电路图正确连接电路并接通开关S后电流表A1A2的计数如图乙则A1读数是 sketch template

在“用电流表测电流 的实验中某同学接成如图5a所示的电路当开关闭合后两灯都�光两个电流表的指针所指位置均为图5b所示则通过灯 sketch template

某小组同学将甲乙两个不同规格的小灯按图15A所示接在可调节电压的电源两端闭合电键�现甲灯比乙灯亮接着又将它们按图15B所示连接闭合 sketch template

某小组同学在探究电流关系的实验中按图甲所示的电路图连接好电路后把电流表先后接在电路中的abc处时得到如下所示的记录表格测量处 A sketch template

某同学在做“用电流表测量电流 的实验中所用的电路如下图中甲所示他按电路图正确连接电路并接通开关S后电流表A1 A2的指针位置如图乙所示 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

某同学在“测定小灯泡额定功率 的实验中所用小灯标有“25V 字样1请你在虚线框中画出正确的电路图用2B铅笔在答题纸的相应位置作图 sketch template

某同学在“测量小灯泡电阻 的实验中设计了如图22甲所示的电路图小灯泡上标有“38V15W 字样请完成和解答下列问题 1在图22 sketch template

某同学在用电压表测量串联电路和并联电路两端电压时分别按图甲乙两电路图连接．1按图甲连接电压表在a处时闭合开关S后电压表读数为2 sketch template

某同学按图所示电路图连接电路进行实验在实验过程中若保持定值电阻的阻值不变并通过改变�动变阻器�片P的位置使电压表V1的示数分别为2V sketch template

在“用电流表测电流 的实验中某同学接成如图5a所示的电路当开关闭合后两灯都�光两个电流表的指针所指位置均为图5b所示则通过灯 sketch template

某同学按如图所示电路进行实验实验时该同学将变阻器的触片P移到不同位置时测得各电表的示数如下表所示序号A1示数AA2示数AV1示数 sketch template

某同学用多用电表按如图所示电路进行了正确的测量闭合开关S后多用电表直接测出的是 A．灯泡L的电功率 B．灯泡L的电阻 C．通过灯泡L的电流 sketch template

在“用电流表测电流 的实验中某同学接成如图5a所示的电路当开关闭合后两灯都�光两个电流表的指针所指位置均为图5b所示则通过灯 sketch template

题目小余和小乐按照课本要求探究并联电路中电流的关系他们设计的电路如图所示1在连接电路的过程中开关应该 2在实验中小余试触时 sketch template

某同学在探究“电阻上电流跟两端电压的关系 时利用图甲所示电路在ab两点分别接入定值电阻R1 R2 通过调节�动变阻器测得多组数据 sketch template

在探究并联电路中总电流与各支路电流的关系时一班各组同学从甲乙丙丁四种规格的灯泡中选取两个并联起来接在相同电源上组成如图a所示的电路 sketch template

某同学利用如图1所示的电路测定电阻Rx的阻值所用�动变阻器上标有“20Ω 2A 字样电源电压不变．该同学实验步骤正确闭合开关S观察到 sketch template

如图甲所示是小明“探究电流与电压、电阻的关系”的实验电路图。选用的实验器材是：电源3V、电流表（00 6A）、出卷� sketch template

某同学连接的电路如图所示闭合开关后�现电流表甲的示数为02A电流表乙的示数为08A下面的说法中正确的是 A．电阻R1与电阻R2 sketch template

某同学在探究通过导体的电流与其两端电压的关系时根据记录的实验数据画出了如图所示的图象．根据图象下列说法中错误的是A将甲乙两导体串联后 sketch template

某同学利用如图所示电路测定额定电压为38伏的小灯泡电功率．1连接电路时开关S应处于状态．2实验数据记录如下表实验电压电流电 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为某同学在做电学实验时的电路图的一部分根据此电路图你可判断该同学可能做的实验是A测定小灯泡的电阻值B测定小灯泡的实际电功率C 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

在图所示电路中电源电压相等且保持不变三个电流表中有两个电流表的示数相等下列说法正确的是A．若电流表A1A3的示数相等则R1＝R3 sketch template

1某同学用电流表和电压表测一节干电池的电动势和内电阻实验中连接的实物图如下图所示图中有一根导线连接错误他接错的导线是 按他这种接法 sketch template

如图所示小强同学在探究串联电路电流规律的实验中按图连接好了电路闭合开关S后�现两灯均不�光．为检测出电路故障他将电压表接到灯L1两端 sketch template

在使用电源时不允许将电源的两极两极直接用导线连接起来否则将出现事故．——青夏教育精英家教�—— sketch template

百度教育 sketch template

某同学接图所示的电路图连接电路进行探究性实验．实验时电阻R1保持不变�动变阻器R2的最大阻值是20Ω在三次改变�动变阻器�片P的位置得到 sketch template

作图题1按图左所示的电路图把右图的电路元件连接起来．2请完成图中的光路图．3根据平面镜成像的特点作出图中物体AB在平面镜中所成 sketch template

某同学按如图所示的电路图连接电路探究串联电路的电压电流特点．在实验过程中若保持R1不变并通过改变�动变阻器�片的位置使电压表V1的示数 sketch template

在“用电流表测量电流 的实验中某同学连接的电路如图所示 1闭合开关观察到灯泡L1和L2的�光情况是 2针对上述现象该电路 sketch template

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