某同学在用多用表测定一个阻值约为十几欧姆的小电珠的电阻时他的操作步骤如下 A．将选择开关扳到欧姆档×1k量程 B．将红�表笔分别插入相应 Sketch Coloring Page

某同学在用多用表测定一个阻值约为十几欧姆的小电珠的电阻时他的操作步骤如下 A．将选择开关扳到欧姆档×1k量程 B．将红�表笔分别插入相应 Template

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anonymous

anonymous
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anonymous
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anonymous
sketch #214 bugs bunny

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anonymous
sketch #5198 Sakura Claudio Pose Jester Genso

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anonymous

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anonymous
sketch #4503 Naruto Biju Mode by Jessie Lightwood

sketch #1504 donara

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anonymous
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anonymous

anonymous
sketch #3058 Marilyn Monroe by Adam Pyszny

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anonymous

anonymous
sketch #5069 Mad Hatter by Ahmed Mostafa

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sketch #5236 Edward Scissorhands by Ronin Ronin

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sketch #3554 Dr. House by Carrieann Benthem

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sketch #5290 Kyuubi Jorge Valero

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anonymous
sketch #929 tree stump

sketch #1133 vinks

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anonymous
sketch #1133 vinks

tomski某同学在用多用表测定一个阻值约为十几欧姆的小电珠的电阻时他的操作步骤如下 a．将选择开关扳到欧姆档×1k量程 b．将红�表笔分别插入相应 coloring

某同学在用多用表测定一个阻值约为十几欧姆的小电珠的电阻时他的操作步骤如下 A．将选择开关扳到欧姆档×1K量程 B．将红�表笔分别插入相应 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

在“练习使用多用电表 的实验中 1用多用电表欧姆档测量电阻时红�表笔互换了插孔这样影响测量结果 2如图所示是一个多用电表欧姆 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

在“用多用表测电阻 的实验中下列说法正确的是 A．测量阻值不同的电阻时都必须重新调零 B．欧姆档指针恰好指示在20Ω与30Ω的正中央所测 sketch template

多用电表测电阻电路图万用表测电阻电路图多用电表测电阻图大山谷图库 sketch template

题目1在实验室某同学用多用电表粗测一段样品的电阻经正确操作后用“×100Ω 档时�现指针偏转情况如图所示则他应该换用 档填 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

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

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

在使用多用电表测电阻时一同学选用“×10 W 挡调整欧姆零点后测量一电阻的阻值�现表针�右偏转幅度太大为了把电阻值测得更准确些下列 sketch template

某同学用多用电表欧姆档测量某一�属丝电阻阻值将选择开关旋到×100档欧姆表的示数如图则�属丝电阻的阻值约为 Ω如果想测量的更精确些应 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

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

题目1在实验室某同学用多用电表粗测一段样品的电阻经正确操作后用“×100Ω 档时�现指针偏转情况如图所示则他应该换用 档填 sketch template

某同学利用多用电表测量一个未知电阻的阻值由于第一次选择的欧姆档不够合适现改换另一欧姆档测量．两次测量时多用电表指针所指位置如图所示下面 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

题目某同学把电流表干电池和一个定值电阻串联后两端连接两支测量表笔做成了一个测量电阻的装置如图所示两支表笔直接接触时电流表的读数 sketch template

22． 1甲乙两同学在实验室测量同一定值电阻的阻值 �甲同学用多用电表按正确操作步骤测量表针位置如图1所示读数是 Ω �乙 sketch template

1 用已调零且选择旋钮指�欧姆档“×10 位置的多用表测某电阻阻值根据题22图1所示的表盘被测电阻阻值为 Ω若将该表选择旋钮置于 sketch template

题目某同学要测定一个圆柱体的电阻率进行了如下操作1用准确到01mm的游标卡尺测量圆柱体的长度用螺旋测微器测量其直径如下图所示 sketch template

某同学用多用电表对电阻大小进行粗测选用欧姆档的“×10 档位按正确的操作步骤测此圆柱体的电阻表盘的示数如图则该电阻的阻值约为100Ω sketch template

某同学在用多用表测定一个阻值约为十几欧姆的小电珠的电阻时他的操作步骤如下 A．将选择开关扳到欧姆档×1K量程 B．将红�表笔分别插入相应 sketch template

某同学利用如图2所示的电路测定电阻Rx的阻值所用�动变阻器上标有“20Ω 2A 字样电源电压不变．该同学实验步骤正确闭合开关S观察到 sketch template

某同学在用电源电压表电流表�动变阻器开关和若干导线测定电阻RX值．所有元件均完好电源电压为60V且不变�动变阻器标有 sketch template

百度教育 sketch template

在做“用电流表和电压表测电池的电动势E和内电阻r 的实验时部分器材参数如下电压表电流表定值电阻R0�动变阻器R．1小红按如图甲所 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

要测量一个定值电阻的阻值．用多用电表直接测量右图为多用电表的示意图具体操作步骤如下a．将多用电表的 旋转到电阻“ 选填“×1 “×10 sketch template

欧姆表读数欧姆表读数多用电表读数第11页大山谷图库 sketch template

1某同学用电流表和电压表测一节干电池的电动势和内电阻实验中连接的实物图如下图所示图中有一根导线连接错误他接错的导线是按他这种接法 sketch template

某同学利用如图1所示的电路测定电阻Rx的阻值所用�动变阻器上标有“20Ω 2A 字样电源电压不变．该同学实验步骤正确闭合开关S观察到 sketch template

题目某同学在实验室做“测定电源电动势和内阻 的实验时�现实验桌上还有一个定值电阻R0．于是设计了如图甲所示的电路来测量电源电动势E内阻 sketch template

一轮复习：伏安法测电阻 知乎 sketch template

某同学用以下器材测量电阻：�电流表、�电阻箱、�单刀双掷开关（这种 sketch template

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