两根平行导线通电后会出现如图甲所示的现象图中箭头表示电流方�实线虚线分别表示导线通电前后的位置．由此可以推断在图乙所示的 Sketch Coloring Page

两根平行导线通电后会出现如图甲所示的现象图中箭头表示电流方�实线虚线分别表示导线通电前后的位置．由此可以推断在图乙所示的 Template

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tomski两根平行导线通电后会出现如图甲所示的现象图中箭头表示电流方�实线虚线分别表示导线通电前后的位置．由此可以推断在图乙所示的 coloring

两根平行导线通电后会出现如图甲所示的现象图中箭头表示电流方�实线虚线分别表示导线通电前后的位置．由此可以推断在图乙所示的 sketch template

题目探究通电导线之间的相互作用�学家安培�现两根平行导线通电后有如图所示的现象图中实线虚线分别表示通电前后的情况．可见平行 sketch template

一轮复习：带电粒子在交变电场中的运动知乎 sketch template

百度教育 sketch template

一轮复习：伏安法测电阻知乎 sketch template

17．如图所示的电路中有几根导线尚未连接请用笔画线代替导线补上补上后要求1两灯泡并联．2电流表测灯L1的电流．3闭合开关后 sketch template

某学习小组在“探究通电导体中电流与电阻的关系”的实验中，小明连接了如图甲所示的电路（电源电压保持45V不变）。 sketch template

通电导线�围磁场是如何产生的？知乎 sketch template

小明用图甲所示的电路，探究“电流与电阻的关系”，电压电压为3V且保持不变，�动变阻器规格为“50Ω，2A”，定值电阻10Ω、20Ω、30Ω sketch template

一轮复习：描绘小灯泡伏安特性曲线知乎 sketch template

如图甲所示是“测定小灯泡电功率”实验的装置图，电源电压为4V且保持不变，小灯泡额定电压为25V，阻值约为9Ω，�动变阻器标有“20Ω 1A”字样。 sketch template

小明和同学一起用如图所示的电路探究“电流与电阻的关系”，电源为两节新干电池，实验室提供了阻值分别为25Ω、20Ω、15Ω、10Ω、5Ω的电阻各 sketch template

电磁感应中电容器所带电荷量的计算知乎 sketch template

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小敏用如图甲所示的电路图研究通过导体的电流与导体电阻的关系电源电压恒为6V改变电阻R的阻值调节�动变阻器�片保持R两端的电压不变记 sketch template

小明和小亮探究“并联电路电压的关系小明先按图甲所示电路图连成图乙的实物图1小亮一眼就看出了小明连接的错误并指出如果直接闭合开关将 sketch template

题目用如下图甲所示的电路“探究电流与电阻的关系电源电压恒为6V定值电阻R备有5Ω10Ω20Ω40Ω各一个1闭合开关前 sketch template

16．如图甲所示两平行�属板间接有如图乙所示的随时间t变化的电压u两板间电场可看作是均匀的且两板外无电场极板长L=02m板 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

如图中小磁针静止在电磁铁的两极之间其南北极指�和电磁铁线圈中的电流方�如图所示请你在图中画出电磁铁上线圈的缠绕方法．题目和参考答案 sketch template

一轮复习：带电粒子在交变电场中的运动知乎 sketch template

在探究通电导线在磁场中的受力方�与什么有关系时一位同学做了如图abc的三个实验．图中AB表示闭合电路的一部分导线导线上的箭头表示电流的 sketch template

小彬用如图甲所示的实验器材探究“电流与电阻的关系．电源电压恒为3V�动变阻器上标有“20Ω 2A 字样阻值分别为5Ω10Ω20Ω的定 sketch template

题目如图甲电路闭合开关S后两个灯泡都能�光乙图为电流表A1指针的位置如果电流表A2读数是05A则下列说法正确的是 A sketch template

为了探究影响电热的因素小伟设计了如图甲所示电路烧瓶中盛有质量初温均相等的煤油R甲＞R乙．1为了在较短的时间内达到明显的实验效果 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

为了测定额定电压为“25V 小灯泡的电功率小明同学设计了如图甲所示的电路图．实验中各元件完好电源电压保持不变．1连接电路的过程中开关 sketch template

题目2016·贺州卷如图甲所示的�动变阻器是贺州市初中物理实验操作考查中要用到的仪器之一小露将一个标有“20Ω 1A 字样的�动 sketch template

题目如图甲所示是小强“连接串联电路 的电路图 1在连接图甲电路的过程中下列几点要求中没有必要的是 A必须从电池的正极开始依次 sketch template

小灯泡通电后其伏安特性曲线如图甲所示P为图线上一点PN为图线的切线PQ为U轴的垂线PM为I轴的垂线现将此小灯泡接入如图乙所示的电路中 sketch template

题目用电流表和电压表测电阻电压恒为3V的电源电压表电流表标有“20Ω 2A 字样的�动变阻器待测电阻Rx开关导线若干 1 sketch template

如图甲所示是测量额定电压为25V小灯泡额定功率的电路实物图1请你在图甲中用笔画线代替导线讲电路补充完整要求�动变阻器连入电路的阻值 sketch template

�普电磁现象及其普遍规律昌晖仪表� sketch template

请用笔画线代替导线完成如图所示电路的连接要求满足闭合开关后�右移动�动变阻器�片的过程中1小灯泡变亮电压表的示数变小电压表有示数 sketch template

如图所示当开关闭合后两通电螺线管会 A．相吸B．相斥C．先吸引后排斥D．先排斥后吸引——青夏教育精英家教�—— sketch template

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