如图1所示，电流表a1、a2和a3的读数均为5a，则电流表a的读数也为5a。 Sketch Coloring Page

如图1所示，电流表a1、a2和a3的读数均为5a，则电流表a的读数也为5a。 Template

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tomski如图1所示，电流表a1、a2和a3的读数均为5a，则电流表a的读数也为5a。 coloring

电表（电压表和电流表）的读数 知乎 sketch template

如图所示，电源电压恒为18V，定值电阻R1=20Ω，�动变阻器R2标有“40Ω 05A”，电流表A的量程为006A，电压表量程为0 sketch template

电流表读数电压表电流表读数欧姆表读数 大山谷图库 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

如图所示四个相同的电流表分别改装成两个安培表和两个伏特 表安培表A1的量程大于A2的量程伏特表V1的量程大于V2的量程把它们按图接入 sketch template

张明同学“探究串并联电路的电流规律实验 的电路如图1所示当把电流表分别在ABC三处时测得电流如下表所示．请你帮他完成如下几项工作测量 sketch template

如图所示电流表A1A2和A3的示数分别为12A08A和03A那么通过L1的电流为 A通过L2的电流为 A．题目和参考答案 sketch template

如图所示电源电压保持不变电阻R1=60ΩS闭合后电流表A1的示数为02AA2的示数为04A求电源电压和R2的阻值各为多� sketch template

如图2所示的电路中电源电压不变开关闭合后若�动变阻器的�片P�右端移动则 A电压表的示数和电流表的示数都增大 B电压表的示数和电流 sketch template

如图所示，电流表A所测的电流是 A．通过L1上的电流 B．通过L2的电流 C．通过干路的电流 D．都有可能考点电流表的连接 sketch template

题目如图所示电源保持6V的电压不变开关S闭合后电流表的示数是04A电压表的示数为2V则电阻R1的阻值是 Ω将�动变阻器R2的 sketch template

如图所示的电路中电源两端的电压保持不变．闭合开关S将�动变阻器的�片P�右移动下列说法正确的是 A．电压表V1示数不变V2示数变大 sketch template

如图所示的电路图是用来研究通过导体的电流跟导体电阻关系的，其中R1与R2为阻值不同的定值电阻，第一次实验用的定值电阻为R1 ，闭合开关后，记 sketch template

题目如图所示电源电压保持不变闭合开关S将�动变阻器的�片P�左移动电压表V的示数电压表V的示数与电流表A1的示数之比 电流表 sketch template

某同学用如图甲所示的电路测量欧姆表的内阻和电源电动势把欧姆表看成一个电源且已选定倍率并进行了欧姆调零实验器材的规格如下 电流表A1 sketch template

题目在如图甲所示的电路中电源电压U＝4V电阻R1＝20Ω闭合开关S当�动变阻器的�片P移至某处时电路中电流表A的示数如图乙所示 sketch template

图甲是小灯泡L1和L2的电流随电压变化的图像。将它们按图乙所示接入电路中，闭合开关S时，小灯泡L1的实际功率为1W。则下面的说法中正确的是 sketch template

如图甲所示线圈AB紧靠在一起当给线圈A通以如图乙所示的电流规定由a进入b流出为电流正方�时则电压表的示数变化情况规定电流由c进入 sketch template

在图所示的电路中电源电压为3 V闭合开关S电流表A1的示数为12 A电流表A2的示数为03A则通过R1的电流是 AR2的阻值是 sketch template

如图所示的电路当开关S闭合后电流表A1的指针偏转了量程的电流表A2偏转了量程的所用的电流表为实验室用的双量程电流表求1通过灯泡 sketch template

题目如图所示电流表量程为0 06A电压表量程为0 15V电阻R0=30Ω电路两端电压恒为U=24V当�动变阻器接入电路的电阻 sketch template

如图所示电源电压不变闭和开关S当�动变阻器�片P�右移动时 A．电流表A1示数变小电压表V示数变小B．电流表A2示数变大电压表V sketch template

如图所示1电流表的读数为 A2电压表的读数 V．题目和参考答案——青夏教育精英家教�—— sketch template

百度教育 sketch template

在“用电流表测电流 的实验中某同学连接的电路如图所示．1闭合开关观察到灯泡L1和L2的�光情况是．2针对上述现象该电路存在的 sketch template

如图所示的电路中电源的电压保持不变R1为定值电阻R2为�动变阻器闭合开关S�片P�右移动时则A．电流表A的示数变大B．电压表V的示 sketch template

题目有一根细而均匀的导电材料样品如图a所示截面为同心圆环如图b所示此样品长L约为3cm电阻约为100Ω已知这种材料的电阻率 sketch template

如图所示电流表的示数为12A12A电压表的示数为22V22V．对人体安全的电压是不高于36不高于36V．——青夏教育精英家教�—— sketch template

如图所示电流表A1、A2、A3的示数分别为30mA、50mA、70mA则电流表 A A的示数是120mA B A的示数是70mA sketch template

两个定值电阻R1、R2并联在电路中如图甲所示它们的电流与其两端的电压关系如图乙所示闭合开关S则R1R2产生的热量之比为 A sketch template

如图1所示，电流表A1、A2和A3的读数均为5A，则电流表A的读数也为5A。 sketch template

如图所示当�动变阻器�片P�右移动时下列判断正确的是 A 电压表的示数不变电流表A1的示数变大A2的示数变小B 电压表的示数 sketch template

如图所示的电路中电源两端电压不变灯泡的电阻不随温度变化闭合开关S后�动变阻器的�片P由图示位置�a端�动的过程中下列说法正确的是A sketch template

在如图所示的电流表中电流表A1的示数为05A电流变A2的示数为02A电流表A3的示数为04A求1A的示数为多�2 sketch template

在如图所示的电路中电源电压保持不变电阻R1 的阻值为20Ω闭合开关S电流表A1的示数为03A电流表A 的示数为05A．求1 sketch template

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