某同学连接的电路如图所示闭合开关后�现电流表甲的示数为02a电流表乙的示数为08a下面的说法中正确的是 A．电阻r1与电阻r2 Sketch Coloring Page

某同学连接的电路如图所示闭合开关后�现电流表甲的示数为02a电流表乙的示数为08a下面的说法中正确的是 A．电阻r1与电阻r2 Template

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tomski某同学连接的电路如图所示闭合开关后�现电流表甲的示数为02a电流表乙的示数为08a下面的说法中正确的是 a．电阻r1与电阻r2 coloring

某同学连接的电路如图所示闭合开关后�现电流表甲的示数为02A电流表乙的示数为08A下面的说法中正确的是 A．电阻R1与电阻R2 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连接电路前开关应断开断开2闭合开关后观察到灯L1�光�光L2不�光不 sketch template

某同学连接的电路如图所示灯泡上标有“35V 07W 的字样该同学所用电源是由三节干电池串联组成的．闭合开关调节�动变阻器的�片当 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 sketch template

4．某同学连接的电路如图2 2所示他所用的电源是四节干电池串联组成的电池组当他将开关闭合后电压表的示数为2 V则L1两端的电压为 sketch template

题目某同学连接的电路如图所示闭合开关后无论怎样调节�动变阻器灯泡L1L2都不亮．他用电压表进行电路故障检测把电压表并联接在某亮点 sketch template

在“用电流表测电流 的实验中某同学连接的电路如图1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 sketch template

某同学连接的电路如图所示闭合开关后�现电流表甲的示数为02A电流表乙的示数为08A下面的说法中正确的是 A．电阻R1与电阻R2 sketch template

2闭合电路的欧姆定律 sketch template

某同学在进行实验时连接好如图所示的电路．当开关S1S2均闭合时却�现仅有L2�光．产生这一故障的原因是A电源两极跟电路接触不好B连接 sketch template

某同学连接的电路如图7 8所示已知他所用的电源电压为20 V电阻R为2 KΩ�动变阻器的最大电阻为3 KΩ当他将�片P从b��a的过程 sketch template

研究串联电路中电流的特点时某同学连接的电路如图所示．闭合开关后�现甲电流表的示数为02A乙电流表的示数为018A导致两个电流表示数 sketch template

某同学连接的电路如图所示他所用的电源是四节新干电池串联组成的电池组当他将开关闭合后电压表的示数为2V则L1两端的电压为多�L2两端的 sketch template

如图所示是某课外活动小组连接的电路图闭合开关S灯L1L2都正常�光过一段�现其中一个灯泡熄灭且观察到电压表V1和电压表V2的示数几乎 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

小明同学在利用如图所示电路研究“并联电路中电流的关系时电源两端的电压保持不变测量abc三处电流分别为IaIbIc记录的实验数据 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连接电路前开关应 2闭合开关后观察到灯L1 L2 选填“�光或 sketch template

在“用电流表测量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 sketch template

根据如图甲所示的电路图将图乙中的各元件连接起来若开关S闭合后通过电流表的电流为0 8A通过灯L1的电流为0 5A则电流表的示数应是 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

小华同学在探究“电压一定时，电流跟电阻的关系”的实验中，连接电路如图甲所示。（1）请用笔画线代替导线将图甲所示实物连接成完整电路（导线不允许 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R1R2产生的热量之比为 A sketch template

如图2所示电路，当开关S闭合后，L1、L2均能�光，电流表、电压表均有示数．过一会儿，两灯都不�光．电流表、电压表的示数均为零，可能�生的故障 sketch template

在“用电流表测电流”的实验中，某同学连接的电路如图1所示：（1）闭合开关，观察到灯泡L 1 和L 2 的�光情况是：．（2 sketch template

某同学在练习电路连接的实验中根据如图所示的电路图连接了实物检查电路连接无误后闭合开关观察到灯泡L1比灯泡L2亮一些他猜想灯泡L1 sketch template

15．小明同学连接的电路如图所示当他闭合开关后两个灯泡都�光过了一段时间其中的一盏灯突然熄灭了经过观察�现电压表V的示数变大了 sketch template

如图是小华同学探究“电流与电压关系”的电路图。 sketch template

如图所示是某同学连接的电路电路连接有错误将图中电路改成正确电路要求只改动一根导线使两只电灯连接成并联电路划掉的导线上画“× 用笔画 sketch template

某同学要用电流表测量通过灯L1的电流连接的电路图如图所示．闭合开关后灯L1不亮不亮灯L2亮亮电流表有有示数．题目和参考答案——青夏 sketch template

如图所示是某学习小组同学设计的研究“电磁铁磁性强弱 的实验电路图实验记录如下 1要判断电磁铁的磁性强弱可观察来确定2比较下 sketch template

某同学连接的电路如图所示闭合开关后无论怎样调节�动变阻器灯泡L1L2都不亮．他用电压表进行电路故障检测把电压表并联接在某两点之间 sketch template

百度教育 sketch template

某同学做实验时连接如图的电路闭合开关后灯泡正常�光但电流表指针不动电压表有示数那么有可能是A．电流表已被烧坏致使电路不通 B 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

某同学在按图6所示图a的电路测通过灯泡L的电流的实验中闭合开关S时� 现电流表指针偏转到如图b所示的位置于是 图6 ——青夏 sketch template

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