某同学用多用电表按如图所示电路进行了正确的测量闭合开关s后多用电表直接测出的是 A．灯泡l的电功率 b．灯泡l的电阻 C．通过灯泡l的电流 Sketch Coloring Page

某同学用多用电表按如图所示电路进行了正确的测量闭合开关s后多用电表直接测出的是 A．灯泡l的电功率 b．灯泡l的电阻 C．通过灯泡l的电流 Template

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tomski某同学用多用电表按如图所示电路进行了正确的测量闭合开关s后多用电表直接测出的是 a．灯泡l的电功率 b．灯泡l的电阻 coloring

某同学用多用电表按如图所示电路进行了正确的测量闭合开关S后多用电表直接测出的是 A．灯泡L的电功率 B．灯泡L的电阻 C．通过灯泡L的电流 sketch template

高中物理多用电表 知乎 sketch template

高中物理多用电表 知乎 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

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

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

某同学用多用表测量一个量程为3V的电压表的内阻除了进行机械调零选档和欧姆表调零外请在下面图中把多用电表和电压表连接起来．测量时指针位置如 sketch template

高中物理实验《多用电表的使用》知乎 sketch template

某同学想通过一个多用电表中的欧姆挡直接去测量某 电压表的内阻该多用电表刻度盘上读出电阻刻度中间值为30则1欧姆挡的选择开关拨至挡先 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

1用下图所示的多用电表进行测量指针的位置如右图所示若多用电表的选择开关所选用的档位是直流电压2．5V时指针读数应是 V若选择开关 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

多用电表的使用 – I叨咕物理 sketch template

高中物理多用电表 知乎 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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

多用电表简化图多用电表电路图多用电表测电阻电路图 大山谷图库 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

多用电表的原理如图为简易多用电表的电路图。图中E是电池R1、R2、R3、R4和R5是固定电阻R6是可变电阻表头G的满偏电流为250μA sketch template

某同学为了测一节干电池的电动势E和内电阻r．1先用多用电表估测电动势E．将选择开关旋至直流25V档红�表笔与干电池的正负极相接 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想通过一个多用电表中的欧姆挡直接去测量某电压表的内阻该多用电表刻度盘上读出电阻刻度中间值为30欧姆挡的选择开关拨至挡先将红� sketch template

15．某同学在做多用电表测电阻的实验中 1测量某电阻时用“×10W 档时�现指针偏转角度过大他应该换用 档换档后在测量前先要 sketch template

多用电表 360百� 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

某同学用量程为1mA、内阻为120Ω的表头按图a所示电路 优题课 sketch template

某同学设计了一个多量程多用电表其内部结构原理图如图所示其电流表的量程分别为10mA和250mA电压表的量程分别为10V和250V电阻档 sketch template

在练习使用多用电表的实验中1某同学用多用电表测量电阻按正确使用方法测量出电阻Rx的阻值．若该欧姆表使用一段时间后电池电动势变小内阻 sketch template

实验：练习使用多用电表 高中物理知识点总结师梦圆 sketch template

某同学按如图所示电路进行实验实验时该同学将变阻器的触片P移到不同位置时测得各电表的示数如下表所示序号A1示数AA2示数AV1示数 sketch template

某同学用导线把一个开关一只小灯泡接在一节干电池的两极上闭合开关时电灯就灭了开启开关时电灯就亮了下列分析中正确的是 A．开关起到了 sketch template

15．某同学在做多用电表测电阻的实验中 1测量某电阻时用“×10W 档时�现指针偏转角度过大他应该换用 档换档后在测量前先要 sketch template

某同学在用电流表和电压表测电池电动势和内阻的实验中串联了一只20Ω保护电阻R0实验电路如图甲所示．1根据实验原理图以笔画线代导线在 sketch template

某同学用一个电压表和两个电流表测电路中的电压和电流如图请在图中“ “里填入电表的符号．若测出两灯都�光时电压表的示数30V两只电流表的 sketch template

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