2．某同学测量一只未知阻值的电阻． 1他先用多用电表进行测量按照正确的步骤操作后测量的结果如图2 53甲所示．请你读出其阻值大小为 Sketch Coloring Page

2．某同学测量一只未知阻值的电阻． 1他先用多用电表进行测量按照正确的步骤操作后测量的结果如图2 53甲所示．请你读出其阻值大小为 Template

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tomski2．某同学测量一只未知阻值的电阻． 1他先用多用电表进行测量按照正确的步骤操作后测量的结果如图2 53甲所示．请你读出其阻值大小为 coloring

14．某同学测量一只未知阻值的电阻他先用多用电表进行测量按照正确的步骤操作后 测量的结果如上图所示请你读出其阻值大小为 Ω为了使测量 sketch template

欢欢与乐乐同学利用图甲所示的电路测量未知电阻Rx的阻值。1请你根据甲电路图用笔画线代替导线帮助欢欢同学在图乙中完成实验电路的连接要求 sketch template

2．某同学测量一只未知阻值的电阻． 1他先用多用电表进行测量按照正确的步骤操作后测量的结果如图2 53甲所示．请你读出其阻值大小为 sketch template

某实验小组的同学在测量一未知电阻的阻值时，完成了如 高途 sketch template

2．某同学测量一只未知阻值的电阻． 1他先用多用电表进行测量按照正确的步骤操作后测量的结果如图2 53甲所示．请你读出其阻值大小为 sketch template

题目某同学测量一只未知阻值的电阻Rx1表内电池的 极与红表笔相连2他先用多用电表进行测量把选择开关旋到“×10 档位测量时 sketch template

2．某同学测量一只未知阻值的电阻． 1他先用多用电表进行测量按照正确的步骤操作后测量的结果如图2 53甲所示．请你读出其阻值大小为 sketch template

测量一未知电阻的阻值．1某同学首先用多用电表粗测电阻的大小将多用表选择开关置于×10Ω挡调零后将红�表笔分别接电阻两端�现指针读数 sketch template

题目某同学要测量一个未知电阻Rx的阻值实验过程如下1先用多用电表粗测电阻Rx的阻值将多用电表功能选择开关置于“×1k 挡调零后 sketch template

某同学在实验室准备用以下器材测一个电源的电动势E和内阻r要求测量尽量准确能测量多组数椐且�动变阻器调节方便．A．电流表G量程500μA sketch template

某学习小组对两种型号铅笔芯的电阻率进行测量。实验器材如下：学生电源（输出电压016V）�动变阻器（最大阻值10Ω，额定电流2A）；电压表V sketch template

题目质量为M的汽缸口朝上静置于地面上用质量为m的活塞封闭一定量的气体活塞的截面积为S将汽缸倒扣在地面上静止时活塞没有接触地面已知 sketch template

某小组通过实验测量一个电阻的阻值。高途 sketch template

某同学在实验室准备用以下器材测一个电源的电动势E和内阻r要求测量尽量准确能测量多组数据且�动变阻器调节方便．A．电流表G量程500μA sketch template

某同学在没有电流表的情况下利用电压表和已知阻值的定值电阻R0测量未知电阻Rx阻值图所示中无法实现测量Rx阻值的电路图是题目和参考答案 sketch template

某同学利用如图甲所示的电路测量一节干电池的电动势和高途 sketch template

11．某同学要测量AB两只不同电压表的内阻rA 和 RB他先将两表串联后接在一内阻不计的电源上AB两表读数分别为5V和10V现还有一 sketch template

题目小昊同学用如图所示电路测量未知电阻的阻值该实验的实验原理是 请根据电路图在图中补齐导线使电路连接正确要求当�动 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

某同学要测量一只定值电阻的阻值．实验室提供的仪器有电压表电流表�动变阻器待测电阻电源开关和导线若干．三次测量的电压和电流的结果如表所 sketch template

为了同时测量一电源的电动势E和内阻r，以及未知阻值的电阻Rx ， 某同学设计了一电路。实验室提供的器材如下：待测电源、待测电阻、电阻箱 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

I．某同学研究小车的运动用打点计时器记录了小车做匀变速直线运动的位移得到一段纸带如图1所示．在纸带上选取几个相邻计数点ABCD相邻 sketch template

题目某同学要测量一只未知电阻的阻值1他现用多用电表粗测该电阻的阻值按照正确的步骤操作后测量的结果如图甲所示为了使多用电表测量的 sketch template

18．用伏安法测量一只定值电阻的实验所需的器材实物如图各器材规格为 �待测电阻RX �直流毫安表 �直流电压表 �直流电源输出电压3V sketch template

题目某同学要测量一节干电池的电动势和内阻实验室除提供开关S和导线外还有以下器材可供选择电压表V量程3V内阻电流表G量程 sketch template

一轮复习：电表的改装知乎 sketch template

某同学为了将一量程为3V的电压表改装成可测量电阻的仪表欧姆表1先用如图a所示电路测量该电压表的内阻图中电源内阻可忽略不计 sketch template

21． 1如图甲所示为多用电表的示意图现用它测量一个阻值约为200Ω的待测电阻具体测量步骤如下 � 调节使电表指针停在表盘左侧的 sketch template

2011年全国各地中考物理试题分类汇编——测电阻的变式 Word文档在线阅读与下载免费文档 sketch template

22．附加题 如图所示的电路中有50只不同的电流表50只规格相同的电压表第一只电压表的读数为U1=96V第一只电流表的读数为I1=9 sketch template

一轮复习：伏安法测电阻 知乎 sketch template

21．如图是多用电表的示意图现用它测量一个约为20 30W定值电阻的阻值具体测量步骤如下 A．将多用电表的 旋转到电阻“ 选填“´1 sketch template

某同学利用如图a所示的电路测量一微安表量程为100μA内阻大约为2500Ω的内阻．可使用的器材有两个�动变阻器R1R2其中一个 sketch template

某同学在只有电流表或电压表的情况下想测量未知电阻Rx的阻值其中电源电压未知定值电阻和�动变阻器的最大阻值均已知下列电路中不能测出Rx sketch template

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