小梦同学自制了一个两挡位（“ ”“ ”）的欧姆表，其内部结构如图所示， 为调零电阻（最大阻值为 ），、 为定值电阻（），电流计 G 的 Sketch Coloring Page

小梦同学自制了一个两挡位（“ ”“ ”）的欧姆表，其内部结构如图所示， 为调零电阻（最大阻值为 ），、 为定值电阻（），电流计 G 的 Template

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tomski小梦同学自制了一个两挡位（“ ”“ ”）的欧姆表，其内部结构如图所示， coloring

小梦同学自制了一个两挡位（“ ”“ ”）的欧姆表，其内部结构如图所示，为调零电阻（最大阻值为），、为定值电阻（），电流计 G 的 sketch template

小梦同学自制了一个两挡位（“”“”）的欧姆表，其内高途 sketch template

题目二极管具有单�导电性小明同学在实验室找到了一个旧的二极管他想通过实验来描绘该二极管正�导电时的伏安特性曲线1由于二极管极性 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

可变档的欧姆表：内部结构与判断方法知乎 sketch template

小红同学自制了一个卡通福娃她想用亮度可调节的灯做它的眼睛她选用规格为“6V 3W 的灯泡L1和“6V 6W 的灯泡L2及“18Ω 15A sketch template

小红同学自制了一个卡通福娃她想用亮度可调节的红绿灯做它的眼睛她选用规格为“6V 3W 的红灯和“6V 6W 的绿灯及“18Ω 15A sketch template

欧姆表原理：内部结构及操作知乎 sketch template

小阳同学在�技月制作了一个多档位电热器模型．为了分析接入电路的电阻对电热器的电功率的影响他将电表接入电路中其电路如图所示电源两端电压不变 sketch template

小明自制了一个测定水箱水位高度的装置如图甲所示杆DP可绕O点转动R0是定值电阻R是�动变阻器当水面在A处时水面高60cm�动 sketch template

题目小梦同学利用图示装置来研究凸透镜成像规律1实验前应调整烛焰凸透镜和光屏三者的中心在 2如图甲所示当凸透镜位于光具座上 sketch template

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可变档的欧姆表：内部结构与判断方法知乎 sketch template

小明同学利用所学的物理知识后自制了一个风力测定仪其装置如图所示OC是一根�属杆下面连接一块受风板O是转轴．无风时OC杆是竖直的风越 sketch template

一种汽车挡位旋钮开关的制作方法 sketch template

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�学家的每次重大�现都有力地推动了人类文明的进程丹麦物理学家首先�现了电流�围存在磁场第一个揭示了电和磁之间的联系小丽同学利用如图甲 sketch template

题目图中的ABC为�箱即看不见内部电路结构的一个盒子上的三个接点两个接点间最多只能接一个电学元件为探明内部结构某同学用多用 sketch template

百度教育 sketch template

某欧姆表的内部结构顶理图如图甲所示一同学准备用一个电阻箱Rx较准确地测出欧姆表的电源的电动势E和某倍率下完成调零后欧姆表的内阻R内他进行了 sketch template

物理课上老师请同学们设计一个测量未知电阻Rx的实验各组同学都提出了自己的设计方案下列是两组同学的设计情况． 1 甲组同学决定采用伏安法 sketch template

题目图a为某简易多用电表的电路图图中G是表头E是电池R1R2R3R4和R5是固定电阻R6是可变电阻虚线方框内为换挡开关 sketch template

题目小明在学习了大气压强的知识后自制了一个如图所示的气压计瓶中装有适量的水当他将自制气压计由楼下拿到楼上时�现细玻璃管中液面上升 sketch template

某物理兴趣小组设计了如图a所示的欧姆表电路通过控制电键S和调节电阻箱可使欧姆表具有“×1 和“×10 两种倍率所用器材如下A干电池 sketch template

某实验小组的同学在探究欧姆定律时采用了如图所示的电路图．实验中他们选用的定值电阻分别是5Ω8Ω10Ω电源电压是3V�动变阻器的阻值 sketch template

题目某物理课外活动小组学习了“测量电源的电动势和内阻后自制了一个橙子电池组将该电池组接在铭牌为“15V03A 的小灯泡上�现小 sketch template

题目某同学用一个满偏电流为10mA内阻为30Ω的电流表一只�动变阻器和一节电动势为15V的干电池组装成一个欧姆表如图a所示 sketch template

小红利用所学的知识自制了一个转换开关然后利用转换开关组成了如图所示的电路·1若要使两小灯泡串联应连接两点2若要使两小灯泡并联应连接 sketch template

28．某同学利用光电门传感器设计了一个研究小物体自由下落时机械能是否守恒的实验实验装置如图所示图中AB两位置分别固定了两个光电门传感器 sketch template

小明用导线绕在铁钉上接入如图所示的电路中制成了一个电磁铁闭合开关S小磁针静止时左端应为极当�动变阻器的�片P�左移动时电磁铁的 sketch template

凸透镜成像的实验中所用凸透镜的焦距是25cm．1想用光屏看到一个缩小的像应该把蜡烛放在离凸透镜大于50cm的位置．2如果把蜡烛从离 sketch template

如图所示小梦同学在探究“平面镜成像特点 的实验过程中下列说法正确的是A如果将蜡烛A�玻璃板靠�像的大小会变大B为了便于观察该实验 sketch template

在综合实践活动中同学小杨自制了亮度可调节的小台灯其电路图及灯泡规格如图所示电源电压U=12V保持不变．1调节开关从触点O依次转动到 sketch template

某同学自制了一个“菠萝电池当他把电池和一只小灯泡连成电路时小灯泡没有�光如图所示当他把电池和一个量程为50mA的电流表连成电路时 sketch template

小明同学想知道中国“远征号潜水艇在南海中执行任务是如何实现浮沉的他自制了一个浮沉子模拟潜水艇浮沉如图17所示将小药瓶打孔瓶内放一小 sketch template

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