某同学通过实验研究小灯泡的电流与电压的关系可用的器材如下电源电键�动变阻器电压表电流表小灯泡导线若干电压表和电流表均视为 Sketch Coloring Page

某同学通过实验研究小灯泡的电流与电压的关系可用的器材如下电源电键�动变阻器电压表电流表小灯泡导线若干电压表和电流表均视为 Template

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sketch #5277 League of Legends champions by Sylvie Rieux

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anonymous
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sketch #3083 Great illustration Ali Hänel

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sketch #3083 Great illustration Ali Hänel

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sketch #2771 Naruto by Милен Тревата

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tomski某同学通过实验研究小灯泡的电流与电压的关系可用的器材如下电源电键�动变阻器电压表电流表小灯泡导线若干电压表和电流表均视为 coloring

某同学通过实验研究小灯泡的电流与电压的关系可用的器材如下电源电键�动变阻器电压表电流表小灯泡导线若干电压表和电流表均视为 sketch template

某同学通过实验研究小灯泡的电流与电压的关系可用的器材如下电源电动势为3 V内阻为1 Ω电键�动变阻器电压表电流表小灯泡 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

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

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

一轮复习：描绘小灯泡伏安特性曲线知乎 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

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

小亮和小明同学用伏安法测量小灯泡的电阻并将实验数据记录在下表中 实验序号 电压U / V 电流I A 电阻R /Ω 1 ——青夏教育 sketch template

在测小灯泡电阻的实验中选用的器材及已经连接的部分电路如图所示 1请在方框内画出实验电路图并把实物图连接完整 2实验中连接电路时 sketch template

林华同学在“测量小灯泡的电功率 的实验中所用小灯泡的额定电压是25V．图是他实验时的电路但连接不完整．1请用笔画线代替导线把图的 sketch template

20．在“用伏安法测小灯泡电阻 的实验中待测小灯泡额定电压为2．5V 1请用笔画线代替导线将图10所示的实验电路未连接部分连接好 sketch template

题目如图在测小灯泡的功率的实验中1已有的器材有小灯泡电压表电流表导线电源开关还需要一个器材是 2做实验时电路 sketch template

某同学探究一个额定电压22V额定功率11W的小灯泡两端的电压与通过灯泡的电流的关系．器材为电源开关�动变阻器电压表电流表小灯泡 sketch template

在“测定小灯泡的额定电功率 的实验中小明同学选用的小灯泡的额定电压为25V电阻约为8Ω�动变阻器的最大阻值为10Ω．1为顺利完成 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

一位同学做“用�动变阻器改变通过小灯泡的电流 实验请你按下列要求用笔画线做导线把图中元件连成电路．1用电压表测小灯泡两端电压约为2 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

在测量小灯泡正常�光时的电阻的实验中，选用的电源电压为45V，小灯泡的 sketch template

2019物理高考实验之描绘小灯泡的伏安特性曲线 sketch template

把额定电压是48V的小灯泡和定值电阻并联在某一电路中灯泡正常�光干路电流为12A若把它们串联在另一电路中小灯泡的实际功率是他额定 sketch template

一轮复习：描绘小灯泡伏安特性曲线知乎 sketch template

在做测定小灯泡电功率的实验时有一位同学分别设计了四个实验电路图如图所示其中正确的是题目和参考答案——青夏教育精英家教�—— sketch template

某同学利用图甲电路对额定电压已经模糊额定功率为1W的小灯泡进行了如下研究．按图甲连接电路后闭合开关S测得通过小灯泡的电流与小灯泡两端的 sketch template

题目如图所示这是某同学测量小灯泡额定功率的实验装置图1若小灯泡的额定电压为3 8 V电压表的“015 V 量程损坏电源电压 sketch template

同学们通过实验探究“电功率跟电流电压的关系 ． 1小灯泡电功率的大小可通过 判断 2一位同学用干电池做电源把L1“25 V 0 sketch template

题目如图所示图甲是小谦同学研究调光灯的实验电路图小灯泡规格是“6V 3W 闭合开关S当�动变阻器�片P在A点时�动变阻器连入电路 sketch template

一轮复习：描绘小灯泡伏安特性曲线知乎 sketch template

同学研究小灯泡“38V03A 两端的电压和电流的关系得到如下数据12345678910111213U/V00101502040 sketch template

一轮复习：描绘小灯泡伏安特性曲线知乎 sketch template

题目如图1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 sketch template

如图为某同学描绘的小灯泡灯的伏安特性曲线由图可知灯泡电阻随电压的增大而增大增大产生这一变化的原因是流过电阻的电流越大电阻的温度就越高 sketch template

某同学利用如图所示电路测量额定电压为25V小灯泡的额定功率下列说法错误的是 A 当电压表示数为25V时测出通过小灯泡的电流可 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

某同学通过实验研究小灯泡的电压与电流的关系可用的器材如下电源电键�动变阻器电压表电流表小灯泡导线若干1实验中移动�动 sketch template

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