如图所示电源电压恒定小灯泡l标有“3v 12w 字样r为定值电阻闭合s断开s1小灯泡正常�光若再闭合s1�现电流表示数变化0 Sketch Coloring Page

如图所示电源电压恒定小灯泡l标有“3v 12w 字样r为定值电阻闭合s断开s1小灯泡正常�光若再闭合s1�现电流表示数变化0 Template

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tomski如图所示电源电压恒定小灯泡l标有“3v 12w 字样r为定值电阻闭合s断开s1小灯泡正常�光若再闭合s1�现电流表示数变化0 coloring

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 05A”，电流表A的量程为006A，电压表量程为0 sketch template

百度教育 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

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

如图7 所示电源电压恒定小灯泡L标有“3V 06W 字样R为定值电阻闭合S断开S1小灯泡正常�光若再闭合S1�现电流表示数 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

题目如图所示电源电压恒定当开关S1S2闭合甲乙两表为相同的电压表接线柱上标有“﹣ “3 “15 两电压表指针偏转相同 sketch template

如图所示电源电压恒定．小灯泡L标有“3V 06W 字样R为定值电阻．闭合S断开Sl小灯泡正常�光若再闭合S1�现电流表示数变化了 sketch template

如图所示的电路中电源的电压保持不变R1为定值电阻R2为�动变阻器闭合开关S�片P�右移动时则A．电流表A的示数变大B．电压表V的示 sketch template

如图所示电源电压恒定�动变阻器的规格为“30Ω 1A 在AB间接入规格为“12V 12W 的灯泡闭合开关当变阻器的五分之一阻值连入 sketch template

如图所示电源电压恒定．小灯泡L标有“3V 06W 字样R为定值电阻．闭合S断开Sl小灯泡正常�光若再闭合S1�现电流表示数变化了 sketch template

如图所示电源电压恒定小灯泡标有“3V 15W 字样�动变阻器电阻R1的阻值为0 27Ω定值电阻R2的阻值为27Ω．当干路开关S闭合 sketch template

题目如图所示电源电压恒定小灯泡上标有“2V 1W 的字样�动变阻器R2的最大阻值为50Ω求1小灯泡正常�光时的电阻．2 sketch template

如图所示电源电压恒定小灯泡L标有“3V 12W 字样R为定值电阻闭合S断开S1小灯泡正常�光若再闭合S1�现电流表示数变化0 sketch template

如图所示电源电压恒定．小灯泡L标有“3V 06W 字样R为定值电阻．闭合S断开Sl小灯泡正常�光若再闭合S1�现电流表示数变化了 sketch template

如图所示电源电压9V保持不变当开关闭合时灯泡L1L2均正常�光电压表示数为3V则灯泡L1两端的电压是A．3V B．45V C sketch template

如图所示的电路电源电压恒定不变闭合电键S�现小灯L不亮若电路中只有一处故障且只�生在灯L或电阻R上为检测故障所在下列做法和判断正确 sketch template

在如图所示的电路中电源电压恒定灯L1L2分别标有“6V 6W 和“6 V 12W 字样当K闭合时灯L1正常�光当K断开时两盏灯的 sketch template

如图所示的电路中，电源电压保持不变。闭合开关S后，�片P从b端移动到a端的过程，电压表示数U与电流表示数I的关系图像如图所示。下列说法正确的是（ 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∼06A”，电压表量程选择“0∼3V”，小灯泡上标 sketch template

如图所示的电路中小灯泡L标有“8V 4W 字样定值电阻R1=120Ω�动变阻器R2的最大阻值为30Ω电流表使用的是“0 06A 量程 sketch template

如图所示电源电压恒定不变电阻R1的阻值为5Ω小灯泡上标有“12V 6W 字样闭合开关S．1当开关S1S2都闭合�动变阻器的�片 sketch template

如图所示电源电压保持不变小灯泡L标有“6V 36W 字样R为定值电阻闭合开关S1断开S2小灯泡正常�光小灯泡的电阻为10Ω若 sketch template

一轮复习：描绘小灯泡伏安特性曲线知乎 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

在如图所示的电路中小灯泡L1和L2都标有“3V 025A 的字样电源由2节15V的干电池串联而成当S闭合后下列说法正确的是 A sketch template

如图所示电路中电源电压恒定小灯泡标有“6V3W 字样忽略温度对灯丝电阻的影响当S1S2均闭合�片P置于a端时小灯泡正常�光 sketch template

如图所示的电路中电源电压保持不变当开关S闭合后只有一个电表的示数�生变化若电路中只有一处故障且只�生在电阻R或小灯泡L上则可能是A sketch template

如图所示电源电压恒定小灯泡L1L2均标有“12V 6W 字样当S1S2闭合时灯L1正常�光当S1闭合S2断开时两盏灯的总功率 sketch template

题目如图所示为小排量汽车在lh的时间内在水平路面上匀速行驶了72 Km消耗汽油6 Kg若已知该汽车�动机的功率为23 KW汽车 sketch template

如图所示电路电源电压恒为12V小灯泡L1的规格为“6V 3W“小灯泡L2的规格为“25V 03A �动变阻器标有“50Ω 15A sketch template

12．在如图所示的电路中电源电压恒定为U电键闭合后将�动变阻器R2的�片P�左�动时电路中的小灯泡L1L 2和L 3的亮度变化情况是 sketch template

如图所示电路电源两端电压保持12V不变小灯泡L上标有“6V3W 字样�动变阻器最大电阻值R=60Ω．不考�灯丝电阻随温度的变化则下列 sketch template

如图所示的电路中，电源电压恒定，小灯泡标有“10V 05A”的字样（灯丝的电阻不变），定值电阻。当开关都断开时，接入电路中的电流表的示数为0 sketch template

如图所示电源电压36V小灯泡L标有“20V 8W 字样若电流表量程为“0 06A 电压表量程为“0 15V 求�小灯泡的电阻是 sketch template

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