19．灯泡l的额定电压为6v小星通过实验测得其电流随电压变化的曲线如图由图可知当小灯泡l正常�光时通过其灯丝的电流是 A通过调节�动 Sketch Coloring Page

19．灯泡l的额定电压为6v小星通过实验测得其电流随电压变化的曲线如图由图可知当小灯泡l正常�光时通过其灯丝的电流是 A通过调节�动 Template

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tomski19．灯泡l的额定电压为6v小星通过实验测得其电流随电压变化的曲线如图由图可知当小灯泡l正常�光时通过其灯丝的电流是 a通过调节�动 coloring

小明利用标有“6V 6W 的灯泡L1和标有额定电压为6V的L2进行实验1分别对通过L1和L2中的电流和两端电压进行测量绘制了电流随两端 sketch template

19．灯泡L的额定电压为6V小星通过实验测得其电流随电压变化的曲线如图由图可知当小灯泡L正常�光时通过其灯丝的电流是 A通过调节�动 sketch template

兴趣小组在“测量小灯泡电功率”的实验中，有电流表、电压表各一个，开关、导线若干，电源的电压恒为6V，小灯泡L1的额定电压为38V，正常�光时 sketch template

19．如图1所示是小强同学测量小灯泡电功率的电路图电源电压为6V小灯泡额定电压是38V其灯丝电阻约为10Ω可供选择�动变阻器标有R1 sketch template

如图甲所示小灯泡L1和L2额定电压均为6VAB分别为L1和L2中的电流随两端电压变化关系的曲线．现将两灯连入图乙所示电路中使其中一个 sketch template

17．在测定额定电压为38V的小灯泡额定功率的实验中小许连接了如图甲所示的电路电源的电压为6V且保持不变．1请将实物电路图连接完整 sketch template

图甲是小灯泡L和定值电阻R的电流与电压的关系，则R的电阻为Ω，现将它们并联后接在电压为2V的电源两端，如图乙，则干路中的电流是A；若将它们串联 sketch template

如图所示，甲同学在做“测量小灯泡的电功率”实验。实验器材：电源（电压恒为6V）、小灯泡（额定电压为25V，正常�光时灯丝电阻约为10Ω sketch template

题目在“测定小灯泡的电功率 实验中电源电压为6 V小灯泡L的额定电压为25 V电阻大约为20 Ω可供选用的�动变阻器R1和R 2 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

题目一个小灯泡的额定电压为额定电流约为选用下列实验器材进行实验并利用实验数据描绘和研究小灯泡的伏安特性曲线A电源E电动势为 sketch template

小亮同学做测定“小灯泡额定功率 实验时所用器材有电压为6V的电源额定电压为25V的小灯泡小灯泡的额定功率小于1W�动变阻器以及 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

在“测定小灯泡额定功率 的实验中电源电压为6V小灯泡的额定电压为38V．1小明同学在连接实验电路时还有导线未接上如图甲所示请你用 sketch template

在“测定小灯泡电功率 的实验中小灯泡的额定电压是25V�动变阻器上标有“10Ω 2A 字样小灯泡的电阻接�10Ω 1连接不完整的 sketch template

23． 如图14甲所示小灯泡L1和L2 额定电压均为6VAB分别为L1 和L2中的电流随两端电压变化关系的曲线 现将两灯连入图乙所示 sketch template

学校实验室新进了一批“25V 075W”的小灯泡，小明想通过实验探究小灯泡的额定功率是否符合规格。实验�提供了以下器材：待测小灯泡、铭牌为 sketch template

一轮复习：描绘小灯泡伏安特性曲线 知乎 sketch template

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

题目如图所示电源电压为6V小灯泡标有“4V 16W 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

有一种亮度可以调节的小台灯其电路图如图甲所示电源电压为15V通过电灯L的电流跟其两端电压的关系如图乙所示电灯L的额定电压为12V．则 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所示图是通过额定电压为 6V小灯泡的电流随它两端电压变化的关系图象若把这样的三只灯泡串联起来接在12V的电源两端则每只灯泡的电阻及 sketch template

在测量额定电压为2 5V小灯泡的电阻实验时 如图所示 实验元件完好导线连接稳固闭合开关 灯泡不亮检查�现电出卷� sketch template

小灯泡L上标有“25V 字样它的电阻随它两端电压变化的图象如图甲所示．将小灯泡L和电阻R接入图乙所示的电路中电源电压为6V且保持不变 sketch template

一个小灯泡的额定电压为20V额定电流约为05A选用下列实验器材进行实验并利用实验数据描绘和研究小灯泡的伏安特性曲线A 电源E电动 sketch template

小王同学做“测定小灯泡额定功率 的实验所用实验器材包括电源开关电压表电流表各一个导线若干待测额定电压为25V的小灯泡若干 sketch template

某同学探究一个额定电压22V额定功率11W的小灯泡两端的电压与通过灯泡的电流的关系．器材为电源开关�动变阻器电压表电流表小灯泡 sketch template

灯泡L的额定电压为6V小星通过实验测得其电流随电压变化的曲线如图可知当小灯泡L正常�光时通过其灯丝的电流是 A通过调节�动变阻器使小 sketch template

31．利用图16中的器材测量额定电压为25V的小灯泡的额定功率 � 把图18中的实物电路连接完整 � 在闭合开关前�动变阻器连入电路 sketch template

为了测定一个额定电压为10V额定功率在10 15W之间的灯泡的额定功率实验室提供了以下实验器材供其选用直流电源直流电压表V0量程 sketch template

小明利用如图甲所示电路测定小灯泡的功率．被测小灯泡的额定电压为25 V电阻约为10 Ω左右．实验室有如下器材电源电流表0 06 A sketch template

一轮复习：描绘小灯泡伏安特性曲线 知乎 sketch template

3．图19甲所示是“测定小灯泡的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三节新的干电池灯泡的额定电压为38V灯丝的 sketch template

如图甲所示额定电压为20V的灯泡L与�动变阻器R串联接入电路电源电压为20V．灯泡L的I U图象如图乙所示则小灯泡的额定功率为8W当 sketch template

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