27．如图19所示是小明的实验小组在“测量小灯泡的电阻 实验中连接的一个实验电路所用小灯泡标有“25v 字样 1请指出电路连接中的 Sketch Coloring Page

27．如图19所示是小明的实验小组在“测量小灯泡的电阻 实验中连接的一个实验电路所用小灯泡标有“25v 字样 1请指出电路连接中的 Template

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tomski27．如图19所示是小明的实验小组在“测量小灯泡的电阻 实验中连接的一个实验电路所用小灯泡标有“25v 字样 coloring

如图甲所示，是小明所在的实验小组在探究“电流与电阻的关系”时所设计的电路图，R1、R2、R3三个定值电阻的阻值分别为5Ω、10Ω、20Ω，电源 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1是小明的实验小组在“测量小灯泡的功率 实验中连接的一个实验电路所用小灯泡标有“25V 字样．1请指出电路连接中的两个不当之 sketch template

如图1所示是小明的实验小组在“测量小灯泡的电阻实验中连接的一个实验电路所用小灯泡标有“25V 字样．1请指出电路连接中的两个不当之 sketch template

如图甲所示是小明同学设计的伏安法测电阻的电路图图中甲是 表乙是 表为使甲表示数变大�片P应� 端移动为使乙表示数变大�片P应� 端 sketch template

27．如图19所示是小明的实验小组在“测量小灯泡的电阻实验中连接的一个实验电路所用小灯泡标有“25V 字样 1请指出电路连接中的 sketch template

如图所示是小明同学探究电磁铁磁性强弱跟哪些因素有关的实验装置．1其中A是电磁铁C是弹簧B最好是��选填序号��料块 �小磁铁 � sketch template

题目小明所在的实验小组在“测定小灯泡电阻 的实验中所用灯泡的额定电压为25 V1小明采用图甲所示的方案测量时�现闭合开关后无 sketch template

如图1所示探究“电流与电压电阻的关系时表Ⅰ实验次数电阻R=10ΩU/VI/A110122023303表Ⅱ实验次数电压U=3VR sketch template

如图所示是小明同学研究串联电路中电流电压特点的 实物连接图当开关闭合时灯L1不亮灯L2亮电流表的指针明显偏转电压表示数为电源电压 sketch template

如图所示是小玲测量小灯泡的电阻所用的器材已知小灯泡的额定电压是38V．1请你用笔画线代替导线将实物电路连接完整要求导线不能交叉 sketch template

题目亲爱的同学你会使用下面的基本实验仪器吗1如图所示的温度计是根据 的性质制成的此时温度计的示数为 °C2小菲同学用如图所 sketch template

如图所示是小明测量灯泡电阻的实验装置灯泡标有“25V 字样．1请在实物图上用笔画线代替导线将电路连接完整．2闭合开关前�片要 sketch template

如图1所示是小明同学设计的测电阻R的电路图．1请根据这个电路图用笔画线代替导线将图2中的元件连成电路．要求�动变阻器的�片P�左移动时 sketch template

在“测定小灯泡的功率 的实验中小明同学设计的电路如图1所示他选用的小灯泡的额定电压为25V电阻约为8Ω电源为两节干电池．1请用 sketch template

题目如图所示是小明在实验室中测小球在斜面上的平均速度小球从斜面滚下用照相机每隔01s拍�一次则下列说法正确的是A 小球相对于桌面 sketch template

题目如图所示为�们在生活中常见的实例其中你认为对应的解释合理的有A 人推车时他也受到车的推力B 足球运动�用脚踢球并进入球门这表明 sketch template

如图所示是小明探究“杠杆平衡条件 的步骤1实验中首先要调节杠杆两端的平衡螺母其作用是调节杠杆在 位置平衡这样做便于测量．若�现 sketch template

如图甲所示是某兴趣小组在“伏安法测电阻 实验中分别作出R1R2的U I图象．小明利用R1R2两个电阻设计了如图乙所示的实验电路此时 sketch template

题目如图所示是一实验小组在“测量小灯泡的电阻 实验中连接的一个实物图所用的小灯泡标有“2 5V 字样1测小灯泡电阻的原理是 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 05A”，电流表A的量程为006A，电压表量程为0 sketch template

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

题目小昊同学用如图所示电路测量未知电阻的阻值该实验的实验原理是 请根据电路图在图中补齐导线使电路连接正确要求当�动 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

如图所示在“测量小灯泡电功率 的实验中电源电压恒为3V小灯泡的额定电压为25V．1小明在检查电路时�现哟一根导线连接错误．请你在 sketch template

小明用如图1所示的电路图测小灯泡电阻．已知电源电压3V待测小灯泡额定电压为25V猜想电压表示数电流表示数灯泡断路灯泡短路1当开关 sketch template

$如图甲所示是某实验小组在“测量小灯泡的电阻 实验中设计的电路图所用小灯泡标有“25V 字样．1该实验的原理是R=$frac{U}{I sketch template$

如图所示图甲是小华研究通过导体的电流与导体电阻的关系的电路图图乙是根据电路图连接的部分实验电路其中电源电压恒为6V图丙是根据4此实验 sketch template

如图所示电源电压保持不变闭合开关后将�动变阻器R2的�片P�右移动的过程中下列说法正确的是 A．电流表A的示数变小电压表V2的示 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

在“测定25V小灯泡功率 的实验中小红设计了如图所示的电路．1请在图的“ 内填入合适的“灯泡和“电表符号．2小红按电路图连接 sketch template

题目如图所示的电路中电源电压保持不变闭合开关S将�动变阻器的�片P�左移动下列说法中正确的是A电压表的示数不变电流表A1的示数 sketch template

题目如图所示宽度为L的区域内存在垂直于纸面�里的匀强磁场一个高为L的梯形闭合�属线框abcd沿垂直于磁场边界�右匀速穿过磁场速度大小 sketch template

如图所示当两个开关都闭合后两盏灯都能�光的电路是 A．B．C．D．——青夏教育精英家教�—— sketch template

如图a所示是某同学用伏安法测电阻的实验电路当�动变阻器的�片�到某一位置时电流表的示数如图b所示其读数为032032A sketch template

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