如图所示是小红测定小灯泡电阻的电路图 当闭合开关s时�现灯l不亮电流表电压表均无示数若电路故障只出现在灯l和变阻器r中的一处则下列 Sketch Coloring Page

如图所示是小红测定小灯泡电阻的电路图 当闭合开关s时�现灯l不亮电流表电压表均无示数若电路故障只出现在灯l和变阻器r中的一处则下列 Template

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sketch #4882 Monsters University by John Davis

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sketch #4882 Monsters University by John Davis

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anonymous

anonymous
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anonymous

anonymous
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anonymous

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sketch #1993

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Johnny B. Goode
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anonymous

anonymous
sketch #3617 D from Gorillaz by Joselyne Angel Gormaz

sketch #2639 Marilyn by sketchmaster

sketchmaster
sketch #2639 Marilyn by sketchmaster

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anonymous

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anonymous

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sketch #5197 Rihanna by Ben Hall

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anonymous
sketch #5197 Rihanna by Ben Hall

sketch #2619 Underwater by sketchmaster

sketchmaster
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James Forest
sketch #3014 Fancy "S "

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anonymous

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anonymous
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sketch #3429 Another try of Miku xD

Chelley
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tomski如图所示是小红测定小灯泡电阻的电路图 当闭合开关s时�现灯l不亮电流表电压表均无示数若电路故障只出现在灯l和变阻器r中的一处则下列 coloring

10．如图3所示是小红测定小灯泡电阻的电路图当闭合开关S时�现灯L不亮电流表电压表均无示数若电路故障只出现在灯L和变阻器R中的一处 sketch template

如图所示是小红测定小灯泡电阻的电路图 当闭合开关S时�现灯L不亮电流表电压表均无示数若电路故障只出现在灯L和变阻器R中的一处则下列 sketch template

题目某同学利用如图所示的电路测量小灯泡的电阻小灯泡标有“2．5 V 的字样他记录的实验数据如下表所示其中有一次记录的电流表示数是错误 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

如图所示是小红测定小灯泡电阻的电路图当闭合开关S时�现灯L不亮电流表电压表均无示数若电路故障只出现在灯L和变阻器R中的一处则下列 sketch template

如下左图所示是标有“25V 字样的小灯泡L的电阻随它两端电压变化的图象将小灯泡L和电阻R接入右图所示的电路中电源电压为6V当开关S断开 sketch template

如图所示是测定小灯泡额定功率的实验电路如果考�到伏待表和安培表本身有一定的电阻那么小灯泡额定功率的测量值应该比实际值 A．大B．小C sketch template

小灯泡L和定值电阻R接在如图甲所示的电路中其两者的I U关系图象如图乙所示下列说法中正确的是 A 图乙中曲线A表示电阻R的I U sketch template

图甲所示是“测定小灯泡的电功率实验的电路图图乙是即将连接完成的实验电路其中电源为3节新的干电池灯泡的额定电压为38V灯丝的电阻约为 sketch template

中考物理知识点：测量小灯泡的电阻 欧姆定律中考� sketch template

如图所示是小亮在做“测量小灯泡的电阻 实验电路实物图所用小灯泡上标有“25V 的字样．实验次数123U/V202528I/A0 sketch template

如图所示是某实验小组选用的测定小灯泡电功率所需要的电路元件小灯泡的额定电压为25V估计小灯泡的阻值约为10Ω1测定小灯泡电功率 sketch template

一轮复习：描绘小灯泡伏安特性曲线知乎 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

如图所示是测量小灯泡电阻和电功率的实验电路图当�动变阻器的 �片�左移动时电流表电压表的示数变化情况是 A增大增大 B增大减小 sketch template

一轮复习：描绘小灯泡伏安特性曲线知乎 sketch template

15．小红同学要测量额定电压为38 V小灯泡的功率． 1连接的不完整的实物电路如图甲所示．请用笔画线代替导线完成实物电路的连接． 2 sketch template

小红用如图甲所示的实验电路“探究电流与电阻的关系”，实验中所用定值电阻的阻值分别为各一个。（1）电路图中�动变阻器的作用是和控制定值电阻两端 sketch template

如图所示小灯泡标有“6V 36W 的字样�动变阻器的规格是“20Ω 1A 设电源电压小灯泡的电阻均保持不变．1�动变阻器的�片P sketch template

一轮复习：描绘小灯泡伏安特性曲线知乎 sketch template

百度教育 sketch template

一轮复习：描绘小灯泡伏安特性曲线知乎 sketch template

题目小红设计了如图甲所示的电路来测量一个未知电阻的阻值其中Rx为待测电阻R1为电阻箱 S为单刀双掷开关R为定值电阻．实验主要步骤有 sketch template

13．如图4所示电源电压和灯泡电阻都保持不变当�动变阻器的�片P由中点�右移动时下列判断不正确的是 A．电流表和电压表的示数都增大 B 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

在如图所示电路中L是标有“6V 3W 字样的小电灯它与定值电阻R．和�动变阻器R组成串联电路电源电压保持8V不变．无论变阻器�片怎样移动 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

如图所示是“测定小灯泡的功率实验的电路图其中电源为三节新的干电池灯泡的额定电压为38V求1当闭合电路的开关时电路中可能出现 sketch template

小明和小红利用如图20所示的装置探究“导体产生的热量与电阻大小的关系 1质量相等的两瓶煤油中都浸泡着一段材料与长度均相同的�属丝已知甲 sketch template

人教版物理九年级上第十七章第二节细化知识点同步练习——欧姆定律的图像问题（1）在线组卷 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在图a所示电路中电源电压为24伏且保持不变电阻R1的阻值为20欧�动变阻器R2标有“1A 字样电压表V的表盘如图b所示 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

小明和小红想利用如图所示的装置探究“导体产生的热量与电阻大小的关系．两瓶煤油中都浸泡着一段�属丝烧瓶A中的�属丝是铜丝电阻比较小烧瓶B sketch template

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