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

高中物理多用电表 知乎 sketch template

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

多用电表的电路图多用电表简易电路图多用电表测电压电路图第10页大山谷图库 sketch template

如图a所示是多用电表的电路示意图其中A为红表笔B为�表笔开关s与不同的触点接通时电表处于不同的档位或量程．请回答以下问题1开关s与 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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

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

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

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

高中物理多用电表 知乎 sketch template

第8节——《多用电表》 Word文档在线阅读与下载无忧文档 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

某同学按图示电路对一个小灯泡进行实验．1该同学所连接的实物图中未标明电流表和电压表而且还�连了一条线．为了能顺利地完成请你在图中帮他添 sketch template

一轮复习：描绘小灯泡伏安特性曲线知乎 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欧姆挡的选择开关拨至挡先将红� sketch template

题目某兴趣小组自制了一个多量程的欧姆表其电路图如图甲所示其中电池的电动势E = 15 V内阻可忽略不计表头G量程Ig 60 sketch template

某同学测量一只未知阻值的电阻Rx�他先用多用电表进行测量，指针偏转如图甲所示．为了使多用电表的测量结果更准确，该同学应选用挡位，更换挡位重新 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

某同学按如图所示电路进行实验实验时该同学将变阻器�片P移动到某位置时测得各电表的示数如下表所示． 1按照电路图完成实验实物连线． 2 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

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

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

多用电表是实验室和生产实际中常用的仪器． �如图甲是一个多用电表的内部电路图在进行电阻测量时应将S拨到或两个位置在进行电压测量时应 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

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

19．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数安 A2示数安 sketch template

某同学做“测量小灯泡电阻 的实验所用实验器材均完好1如图甲是测量灯泡电阻的电路图请你在里填上合适的电表符号2根据图甲电路 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

一轮复习：电路的化简知乎 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

多用电表 多用电表的使用随意优惠券 sketch template

多用电表 360百� sketch template

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