如图所示是某同学“测定小灯泡电功率 时连接的电路小灯泡额定电压为25v所用电源电压恒为3v．1连接电路时开关应断开断开闭合开关前 Sketch Coloring Page

如图所示是某同学“测定小灯泡电功率 时连接的电路小灯泡额定电压为25v所用电源电压恒为3v．1连接电路时开关应断开断开闭合开关前 Template

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tomski如图所示是某同学“测定小灯泡电功率 时连接的电路小灯泡额定电压为25v所用电源电压恒为3v．1连接电路时开关应断开断开闭合开关前 coloring

如图所示在测定“小灯泡电功率 的实验中电源电压为45V小灯泡额定电压为25V电阻约为10Ω．1请你用笔画线代替导线将图a中的 sketch template

如图所示是某实验小组选用的测定小灯泡电功率所需要的电路元件小灯泡的额定电压为25V估计小灯泡的阻值约为10Ω1测定小灯泡电功率 sketch template

如图所示是某同学“测定小灯泡电功率 时连接的电路小灯泡额定电压为25V所用电源电压恒为3V 1连接电路时开关应 闭合开关前�动 sketch template

19．如图1所示是小强同学测量小灯泡电功率的电路图电源电压为6V小灯泡额定电压是38V其灯丝电阻约为10Ω可供选择�动变阻器标有R1 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

【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

中考物理�题研究第十四讲电功率课时2测量小灯泡的电功率精练试题 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

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甲是小明和同学做“测定小灯泡额定电功率”实验的电路 电源电压为6V 已知小灯泡正常工作时的电压为2 5V 正出卷� 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

最新聚焦中考物理辽宁省复习系列训练：第二十一讲测量小灯泡的电功率 Word文档在线阅读与下载无忧文档 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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

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

在“测定小灯泡额定功率 实验中小华同学用如图所示的实验器材进行了实验其中电源电压保持6V不变小灯泡的额定电压为38V小灯泡的灯丝电阻 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

小明同学用如图所示的电路测定小灯泡的功率电路中电源电压恒为45V电压表的量程为0 3V电流表的量程为0 06A�动变阻器的规格为 sketch template

某同学在做“测定小灯泡功率 的实验时连接的实物电路如图所示．在检查线路时�现有一根导线连接错误．请你在图中用“× 标出这根错接的导线并画 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

如图所示是某同学测38V小灯泡额定功率的实物图．经检查线路有故障�现有三处连接错误它们分别是a B C ．题目和参考答案 ——青 sketch template

某同学在做“测定小灯泡的功率 实验时连成如图所示的电路实物图闭合开关后�现两只电表的指针不动试检查一下他的接线错在哪里1 2 sketch template

101．05河北省甲乙两组同学利用如图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所用�动变阻器铭牌上标有 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

九年级物理全册 183 测量小灯泡的电功率练习新版新人教版 Word文档在线阅读与下载无忧文档 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

如图所示是测定小灯泡额定功率的实验电路如果考�到伏待表和安培表本身有一定的电阻那么小灯泡额定功率的测量值应该比实际值 A．大B．小C sketch template

如图所示是某同学“测定小灯泡电功率 时连接的电路小灯泡额定电压为25V所用电源电压恒为3V 1连接电路时开关应 闭合开关前�动 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

图是某同学测定25V小灯泡的额定功率的验电路图 在实验中至�要两次调节�动变阻器第一次调节是为了使 �片P应该� 端移动然后接通电路 sketch template

小明同学用如图所示的电路测定小灯泡的功率电路中电源电压恒为45V电压表的量程为0 3V电流表的量程为0 06A�动变阻器的规格为 sketch template

如图所示是某同学“测定小灯泡电功率 时连接的电路小灯泡额定电压为25V所用电源电压恒为3V．1连接电路时开关应断开断开闭合开关前 sketch template

某同学利用如图所示电路测量额定电压为25 V小灯泡的额定功率下列说法错误的是 A．闭合开关前�片P应�到B端 B．闭合开关后小 sketch template

阳阳同学用如图所示的实验电路“测定额定电压为25V小灯泡的额定电功率 ．1开关试触时阳阳�现小灯泡不�光电流表无示数电压表示数 sketch template

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