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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tomski38．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

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

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

百度教育 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

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

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

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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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

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

在“测量小灯泡的电功率”实验中，小灯泡额定电压为25V（电阻值约为5Ω）．（1）连接好电路后闭合开关，�现小灯泡不亮，电流表有示数，电压表无 sketch template

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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

在“测定额定电压为38V的小灯泡的额定功率 的实验中有如下的操作步骤 A．读出电流表上的电流值 B．闭合开关 C．断开开关按电路图 sketch template

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为测定额定电压为38伏的小灯泡的额定功率提供了如图所示的器材其中灯泡电阻约为10欧�动变阻器最大阻值为20欧要求1在下面方框 sketch template

在做测定额定电压为25V小灯泡的额定功率的实验中如图所示的实验器材1请按图甲的电路图将图乙的实物用笔划线代替导线连接．2闭合开关 sketch template

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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

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

36．用伏安法测定额定电压为3．8V小灯泡的额定功率 1将下图中的�动变阻器接入电路要求�片P�左移动时小灯泡变暗 2小灯泡 sketch template

测电阻率的实验电路图测电阻率电路图测电阻电路图 大山谷图库 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

实验题1伏安法测电阻的原理公式是 2伏安法测电阻所需的实验仪器有电压表电流表待测电阻电源开关导线及 ——青夏教育 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

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

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

在“测定额定电压为38伏小灯泡功率 的实验中．已知电源电压是6V图甲是小王同学没有连接完的实物电路．1请用笔画出导线将实物电路连接 sketch template

一轮复习：描绘小灯泡伏安特性曲线知乎 sketch template

在测定额定电压为25V的小灯泡功率的实验中用笔画线代替导线把下图中未连好的电路补连完整电流表选小量程在闭合开关前下图中�动变阻器的 sketch template

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