如图所示图1中小灯泡的额定电压为6v．开关闭合后将�动变阻器的�片由最右端移动到最左端图2是在这一过程中电压表v的示数随电流变化的图象 Sketch Coloring Page

如图所示图1中小灯泡的额定电压为6v．开关闭合后将�动变阻器的�片由最右端移动到最左端图2是在这一过程中电压表v的示数随电流变化的图象 Template

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tomski如图所示图1中小灯泡的额定电压为6v．开关闭合后将�动变阻器的�片由最右端移动到最左端图2是在这一过程中电压表v的示数随电流变化的图象 coloring

如图所示图1中小灯泡的额定电压为6V．开关闭合后将�动变阻器的�片由最右端移动到最左端图2是在这一过程中电压表V的示数随电流变化的图象 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

13．如图甲所示为一个小灯泡的两端电压与通过它的电流的变化关系曲线 1若把三个相同这样的灯泡串联后接到电压恒定的12V电源上求流过小 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

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25V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

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

题目如图所示电源电压为6V小灯泡标有“4V 16W 的字样定值电阻R=20Ω不考�温度对灯丝电阻的影响�动变阻器上标有“0 sketch template

如图甲所示的电路中灯泡的额定电压为9V灯泡的I U关系如图乙所示电压表的量程为0 15v电流表的量程为0 06A变阻器R的最大电阻 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25V估计小灯泡的阻值约为10Ω1测定小灯泡电功率 sketch template

如图甲所示是“测量小灯泡功率实验电路电源电压3V小灯泡的额定电压为25V．1连接电路时图中导线a端应与电压表上标有数字“3 的 sketch template

题目如图所示电路中电源电压为6V且保持不变R0=30Ω�动变阻器的规格为“20Ω 1A 电流表的量程为“006A 小灯泡上标 sketch template

题目如图甲所示电路中电源电压可调灯L1L2的额定电压均为6VL1L2的I U关系图象如图乙所示闭合开关S逐步调大电源电压至 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25V，阻值约为9Ω，�动变阻器标有“20Ω 1A”字样。 sketch template

图甲是某同学设计的调光灯电路图中小灯泡的额定电压为3V电源电压保持不变闭合开关S后将�动变阻器的�片从最左端�到最右端的过程中测得小 sketch template

如图甲所示两个灯泡串联在电源电压恒为6V的电路中L1的额定电压为3VL2的额定电压为2V．通过两个灯泡的电流与其两端电压的关系如图乙所示 sketch template

如图⒂所示甲是测量小灯泡额定功率的电路图乙是连接不完整的实物图灯泡的额定电压是38V 图⒂ 1 对照电路——青夏教育精英家教�—— sketch template

如图甲所示额定电压为6V的灯泡L与�动变阻器R串联接入电路电源电压一定�动变阻器的�片从最右端�到最左端时灯泡L的I U图象如图乙所示 sketch template

在“测定小灯泡额定功率实验中小华同学用如图所示的实验器材进行了实验其中电源电压保持6V不变小灯泡的额定电压为38V小灯泡的灯丝电阻 sketch template

题目如图所示灯泡L1和L2灯泡中只要有电流就能�光相同电源电压小于灯泡的额定电压且保持不变开关 S由闭合到断开电路中A sketch template

小明利用如图1所示的实验器材“测定小灯泡的额定功率已知电源电压均为6V小灯泡的额定电压25V电阻约为10Ω．1实验原理是 ．2 sketch template

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

如图11所示，某同学在“测量小灯泡电功率”的实验中，误将电压表并联在�动变阻器两端．他从�片置于最右端时开始记录第一组数据，调节�片测得多组 sketch template

如图1所示的电路中电源电压不变小灯泡的额定电压为25V图2是该小灯泡I U图象变阻器的最大阻值R为30Ω．闭合开关S当�片P置于某 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1所示已知小灯泡L上标有“6V 3W 字样R0=20Ω�动变阻器R的最大阻值为100Ω．求1小灯泡的电阻设灯丝电阻不随温度 sketch template

题目如图1所示某同学在“测量小灯泡电功率 的实验中误将电压表并联在�动变阻器两端他从�片置于最右端时开始记录第一组数据调节�片测得 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为测量小灯泡的额定功率设计了如图所示的电路图已知电源电压恒为6V灯泡的额定电压为38V．1图2是小明根据图1连接的实物图闭合 sketch template

12．图3所示的电路中小灯泡正常�光．若将小灯泡和电流表的位置对换则 A小灯泡不会�光 B小灯泡会被烧坏 C电流表示数不变 D sketch template

如图甲所示电路，电源电压恒为6V，�动变阻器R的规格为“25Ω、1A”，电流表量程选择“0∼06A”，电压表量程选择“0∼3V”，小灯泡上标 sketch template

如图10所示是用伏安法测25V小灯泡正常�光时电阻的实验电路 1请你在虚线框内画出该实验电路的电路图 2小明按照要求连好电路后 sketch template

如图所示小灯泡标有“6V 36W 字样�动变阻器变化范围0 12Ω电源电压和小灯泡电阻不变S1始终闭合．求1小灯泡电阻RL是 sketch template

如图所示的电路中灯泡L1L2上分别标有“6V 3W “6V 9W 的字样两灯泡的电阻电源电压均保持不变．当开关S1闭合S2拔至a时 sketch template

某实验小组的同学用如图所示的器材测量小灯泡的电功率并探究小灯泡的亮度与实际功率的关系．已知待测小灯泡的额定电压为38V小灯泡的额定功率 sketch template

题目如图所示这是某同学测量小灯泡额定功率的实验装置图1若小灯泡的额定电压为3 8 V电压表的“015 V 量程损坏电源电压 sketch template

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