如图所示，甲同学在做“测量小灯泡的电功率”实验。实验器材：电源（电压恒为6v）、小灯泡（额定电压为25v，正常�光时灯丝电阻约为10Ω Sketch Coloring Page

如图所示，甲同学在做“测量小灯泡的电功率”实验。实验器材：电源（电压恒为6v）、小灯泡（额定电压为25v，正常�光时灯丝电阻约为10Ω Template

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tomski如图所示，甲同学在做“测量小灯泡的电功率”实验。实验器材：电源（电压恒为6v）、小灯泡（额定电压为25v，正常�光时灯丝电阻约为10Ω coloring

如图所示，甲同学在做“测量小灯泡的电功率”实验。实验器材：电源（电压恒为6V）、小灯泡（额定电压为25V，正常�光时灯丝电阻约为10Ω sketch template

【聚焦中考�2015年中考物理第21讲 测量小灯泡的电功率复习新人教版 Word文档在线阅读与下载免费文档 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

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

小明同学做“测量小灯泡的电功率 实验时连接的电路如图1所示．1请你帮他检查电路在电路图上错误的连线上打“× 然后改画出正确的连线 sketch template

如图甲所示是小亮做“测量小灯泡的电阻 实验的实物图．电源电压保持不变小灯泡上标有“25V 03A 字样．1请你用笔画线代替导线将 sketch template

$如图甲所示是某实验小组在“测量小灯泡的电阻 实验中设计的电路图所用小灯泡标有“25V 字样．1该实验的原理是R=$frac{U}{I 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

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

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

同学们利用图甲的电路测量小灯泡的电功率。小灯泡的额定电压为25伏。【实验过程�（1）连接电路时，应该保持开关断开，�动变阻器的�片置于（填 sketch template

小�同学在“测定小灯泡的电功率”实验中，老师提供的器材有：电源（电压恒为6V），小灯泡（额定电压为25V，电阻约为10Ω）、电压表（量程为0 sketch template

百度教育 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

学校实验室新进了一批“25V 075W”的小灯泡，小明想通过实验探究小灯泡的额定功率是否符合规格。实验�提供了以下器材：待测小灯泡、铭牌为 sketch template

某同学利用如图甲所示电路来测量小灯泡的额定电功率，电源电压恒定，小灯泡的额定电压为25V，实验步骤如下：（1）请根据图甲所示的电路图，用笔画 sketch template

题目某实验小组的同学用如图所示器材测量小灯泡的电功率．已知电源电压恒为6V不变待测灯泡的额定电压为38V功率估计在11W左右 sketch template

图甲是某同学做“测量小灯泡的电功率 实验的电路图所用的小灯泡标有“25V 字样．1此实验中电压表的量程应选选填“0 3V 或“0 sketch template

小明利用如图甲所示的实验器材“测定25V小灯泡的功率 ．1以笔画线代替导线将实验电路补画完整并使�动变阻器连入电路中的阻值最大 sketch template

小明用如图甲所示的电路来测量小灯泡的电阻小灯泡的额定电压为25V．1闭合开关前应将变阻器的�片移至图中的右端．2闭合开关后�现 sketch template

如图甲所示是“测量小灯泡的电功率 的电路图图乙是实物连接图．其中电源是两节新干电池小灯泡的额定电压为25 V�动变阻器上标有“10 Ω sketch template

如图所示小灯泡的额定电压为38V电源电压不大于3V．1为了做“用�动变阻器改变电流 的实验已将所用器材连成部分电路．若要求�动 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

百度教育 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

如图11所示，某同学在“测量小灯泡电功率”的实验中，误将电压表并联在�动变阻器两端．他从�片置于最右端时开始记录第一组数据，调节�片测得多组 sketch template

小明同学在一次实验中将灯泡两端的电压从12V增加到14V他观察到和灯泡串联的电流表的示数变化了02A下面的说法中正确的是A．该灯泡消耗 sketch template

题目如图所示电源两端电压保持12V不变小灯泡L上标有“6V 3W 字样�动变阻器最大阻值R=60Ω．不考�灯丝电阻随温度的变化开关 sketch template

如图甲所示是小明在“测量小灯泡电功率 实验中连接的不完整的实验电路所用小灯泡的额定电压为38V电源是电压为6V且保持不变的蓄电池组 sketch template

一轮复习：描绘小灯泡伏安特性曲线知乎 sketch template

某同学利用如图甲的电路进行“测小灯泡电功率 的实验已知小灯泡的额定电流是04A电源电压恒定不变．1该同学�现电流表接入电路前的指针如 sketch template

如图所示在“测量小灯泡电功率 的实验中电源电压恒为3V小灯泡的额定电压为25V．1小明在检查电路时�现哟一根导线连接错误．请你在 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

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

百度教育 sketch template

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