38．在测定额定电压为电阻约为的小灯泡的额定功率的实验中某同学将器材连成如图所示的电路 �请指出该电路连接中错误或不妥 Sketch Coloring Page

38．在测定额定电压为电阻约为的小灯泡的额定功率的实验中某同学将器材连成如图所示的电路 �请指出该电路连接中错误或不妥 Template

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tomski38．在测定额定电压为电阻约为的小灯泡的额定功率的实验中某同学将器材连成如图所示的电路 �请指出该电路连接中错误或不妥 coloring

图甲是小灯泡L和定值电阻R的电流与电压的关系，则R的电阻为Ω，现将它们并联后接在电压为2V的电源两端，如图乙，则干路中的电流是A；若将它们串联 sketch template

38．在测定额定电压为电阻约为的小灯泡的额定功率的实验中某同学将器材连成如图所示的电路 �请指出该电路连接中错误或不妥 sketch template

百度教育 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

在测量额定电压为2 5V小灯泡的电阻实验时 如图所示 实验元件完好导线连接稳固闭合开关 灯泡不亮检查�现电出卷� sketch template

小红在实验室测量额定电压为25伏，电阻约为5欧的小灯泡的额定功率，实验电路如甲图所示 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

在“伏安法测电阻 实验中小灯泡额定电压为3．8V电源电压为6V1小敏连接了如图所示的部分实物电路请你用笔画线代替导线将电路连接 sketch template

在测定额定电压为38V小灯泡电阻的实验中1小东没有连接完整的实物电路如图1所示请你用笔画线代替导线将所缺的导线补上．2在连接电路 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

中考物理知识点：测量小灯泡的电阻 欧姆定律中考� sketch template

在“测定小灯泡电功率 的实验中小灯泡的额定电压是25V�动变阻器上标有“10Ω 2A 字样小灯泡的电阻接�10Ω 1连接不完整的 sketch template

如图甲所示的是利用“伏安法 测小灯泡电阻的实验电路图图乙是根据实验数据画出的通过小灯泡的电流I与它两端电压U之间的关系图象．通过图象可以得出 sketch template

一轮复习：伏安法测电阻 知乎 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

题目小华在测定额定电压为25V小灯泡的电功率的实验中1如甲所示闭合开关移动�动变阻器�片分别记下多组对应的电压表和电流表的 sketch template

在“测定额定电压为25V小灯泡的电功率 的实验中．芳芳同学已连接好如图2的部分电路．已知电源电压为6V�动变阻器R1�动变阻器R2灯泡 sketch template

17．在测定额定电压为38V的小灯泡额定功率的实验中小许连接了如图甲所示的电路电源的电压为6V且保持不变．1请将实物电路图连接完整 sketch template

某同学测定额定电压为38V小灯泡的额定功率灯泡的电阻约为15Ω他所连接的电路如图甲所示．1请指出该电路中的两个错误或不当之处．� sketch template

如下左图所示是标有“25V 字样的小灯泡L的电阻随它两端电压变化的图象将小灯泡L和电阻R接入右图所示的电路中电源电压为6V当开关S断开 sketch template

一轮复习：描绘小灯泡伏安特性曲线知乎 sketch template

小明利用如图甲所示电路测定小灯泡的功率．被测小灯泡的额定电压为25 V电阻约为10 Ω左右．实验室有如下器材电源电流表0 06 A sketch template

【精编�【名校课堂�2019九年级物理全册专题复习五测量小灯泡的电功率试题新版人教版doc Word文档在线阅读与下载免费文档 sketch template

某学生根据图所示的电路图连接电路测定额定电压为6伏持的小灯泡的电阻．当他连接好电路闭合电键后�现小灯泡不亮且电压表和电流表示数均为0 sketch template

在“测量小灯泡电功率”的实验中，电源电压为3V，小灯泡额定电压为25V，小灯泡电阻约为10Ω．（1）请你百度知道 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

测定额定电压为38V的小灯泡的额定功率1所需器材 ．2画出实验所用电路图．3实验原理为 ．4连接电路时�动变阻器�片放在 sketch template

一轮复习：描绘小灯泡伏安特性曲线知乎 sketch template

某同学做测定额定电压为38伏的灯泡的电功率的实验接线时误将电流表和电压表的位置接错如图所示合上开关S电压表示数为45伏电流表示数 sketch template

测定额定电压为38V的小灯泡的额定功率1所需器材 ．2画出实验所用电路图．3实验原理为 ．4连接电路时�动变阻器�片放在 sketch template

测定额定电压为3V的小灯泡的额定功率实验1请你画出伏安法测小灯泡的电功率的电路图．2实验时�现电压表读数为2V为了测量小灯泡的额定 sketch template

为了测定额定电压为25 V的小灯泡的额定功率可用如图所示的电路图． 1 甲乙两表中甲表是乙表是． 2 连接电路时开关应 sketch template

图甲是利用“伏安法 测小灯泡电阻的实验电路图图乙是根据实验数据画出的通过小灯泡的电流I与它两端电压U之间的关系图象．通过图象可以得出小灯泡 sketch template

楠楠同学在资料上看到了一份材料某大学物理系的同学再测定额定电压为25V小灯泡的电阻的实验中得到部分U和I的数据如下表所示实验次数 sketch template

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