如图所示电路中电源电压为3伏灯泡l1l2阻值分别为12欧和3欧甲乙两处可分别接入电流表或电压表则下列说法中正确的是 A．断开 Sketch Coloring Page

如图所示电路中电源电压为3伏灯泡l1l2阻值分别为12欧和3欧甲乙两处可分别接入电流表或电压表则下列说法中正确的是 A．断开 Template

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Take a peek at some of the sketches created by our users, are you a sketchite?

sketch #303

anonymous

anonymous
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sketch #3815

Emin AltınKöprü
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sketch #937

anonymous

anonymous
sketch #937

sketch #2058

Raisa Mahmud
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sketch #2989 Little Chibi by Loai Issa

anonymous

anonymous
sketch #2989 Little Chibi by Loai Issa

sketch #5197 Rihanna by Ben Hall

anonymous

anonymous
sketch #5197 Rihanna by Ben Hall

sketch #1536 Dark Night

anonymous

anonymous
sketch #1536 Dark Night

sketch #4796

anonymous

anonymous
sketch #4796

sketch #5312

anonymous

anonymous
sketch #5312

sketch #4970

anonymous

anonymous
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sketch #3599 Lovely pencil face

anonymous

anonymous
sketch #3599 Lovely pencil face

sketch #5064

anonymous

anonymous
sketch #5064

sketch #4903 Naruto & Kurama by Fatér Szilvia

anonymous

anonymous
sketch #4903 Naruto & Kurama by Fatér Szilvia

sketch #3567 Worried Girl by Juvenilia Alexandrino

anonymous

anonymous
sketch #3567 Worried Girl by Juvenilia Alexandrino

sketch #4086 2lips

anonymous

anonymous
sketch #4086 2lips

sketch #2874 Mario by Ahmed Hosny

anonymous

anonymous
sketch #2874 Mario by Ahmed Hosny

sketch #4388 Homer and the Cherry

anonymous

anonymous
sketch #4388 Homer and the Cherry

sketch #1899 blue

anonymous

anonymous
sketch #1899 blue

sketch #962

Wynchz
sketch #962

sketch #3734

Goran Djordjevic
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sketch #4990

anonymous

anonymous
sketch #4990

sketch #1133 vinks

anonymous

anonymous
sketch #1133 vinks

sketch #5191 The View by Vicente Vera

anonymous

anonymous
sketch #5191 The View by Vicente Vera

sketch #2030

Marlyn Ortiz
sketch #2030

sketch #3506 Goku by Saul Mansanares

anonymous

anonymous
sketch #3506 Goku by Saul Mansanares

sketch #5073 Broken Heart by Islam Mourad

anonymous

anonymous
sketch #5073 Broken Heart by Islam Mourad

sketch #3337 Uryuu Minene by Michael Angcay

anonymous

anonymous
sketch #3337 Uryuu Minene by Michael Angcay

sketch #5361 Emma Watson by Glynis June Williams

anonymous

anonymous
sketch #5361 Emma Watson by Glynis June Williams

sketch #5095 Lion by Frederic Knauer

anonymous

anonymous
sketch #5095 Lion by Frederic Knauer

sketch #4151

anonymous

anonymous
sketch #4151

tomski如图所示电路中电源电压为3伏灯泡l1l2阻值分别为12欧和3欧甲乙两处可分别接入电流表或电压表则下列说法中正确的是 a．断开 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 05A”，电流表A的量程为006A，电压表量程为0 sketch template

如图2所示的电路中电源电压不变开关闭合后若�动变阻器的�片P�右端移动则 A电压表的示数和电流表的示数都增大 B电压表的示数和电流 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

如图所示电路中电源电压保持不变在甲图中闭合开关S，电压表示数为4V，电流表示数为04A；百度知道 sketch template

百度教育 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

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

题目如图所示的电路中电源电压恒为3V灯泡L1标有“3V 3W L2标有“6V 的字样电流表的量程为0 06A电压表的量程 sketch template

题目如图甲的电路中电源电压保持不变闭合开关后�片P由b端移到a端电流表示数I与电压表示数U的变化关系如图乙所示则可判断电源电压是 sketch template

如图2所示电路，当开关S闭合后，L1、L2均能�光，电流表、电压表均有示数．过一会儿，两灯都不�光．电流表、电压表的示数均为零，可能�生的故障 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

在如图3所示的电路中电源电压为12V定值电阻R=4Ω�动变阻器R0的最大阻值为6Ω移动�片P的位置使电流增加电流表最大的示数可达 A sketch template

如图所示的电路中电源电压保持不变．当�动变阻器的�片P�右�动时 电流表和电压表的示数变化情况是 A．电流表和电压表的示数都变大 sketch template

题目如图所示的U I图象中直线Ⅰ为某电源的路端电压与电流的关系图线直线Ⅱ为某一电阻R的U I图线用该电源直接与电阻R连接成闭合电路 sketch template

如图所示电路中电源电压恒为12V电流表A1A2的量程分别为06A3A�动变阻器R2标有“2A 50Ω 字样将�动变阻器�片P调到 sketch template

如图所示电路中电源电压U=45V且保持不变定值电阻R1=5Ω变阻器R2最大电阻为20Ω电流表量程为0 06A电压表量程为0 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

如图所示电路中电源电压为3伏灯泡L1L2阻值分别为12欧和3欧甲乙两处可分别接入电流表或电压表则下列说法中正确的是 A．断开 sketch template

如图所示电路中电源电压保持12伏L1L2L3的电阻分别为4Ω6Ω8Ω求 �S1S2都断开时电流表和电压表的示数 �S1 sketch template

电源、电阻、电流表与开关连接成如图所示的电路。已知电阻R=20Ω，电源的内阻r=10Ω，闭合开关S后，电流表示数I=050A。 sketch template

小强用电压表串联电路中灯泡两端的电压如图甲所示．电压表测的是灯 电压填“L1 或“L2 ．此时电压表示数如图乙所示电压表读数是 V sketch template

如图所示的电路中电源电压保持不变R为定值电阻当开关闭合时标有“6V 3W 的小灯泡L恰好正常�光若保持R不变将L换成另一只标有 sketch template

如图所示的电路中电源电压为U且保持不变已知R1=nR2若通过R1的电流为I1试证明通过干路的电流I=n 1I1．提示从并联电路 sketch template

如图所示的电路中电源两端的电压保持不变闭合开关SS1当�片P 移至�动变阻器R2的A端时电压表V1的示数为U1电压表V2的示数为 sketch template

如图所示的电路中电源电压为3V闭合开关后三个电流表A1A2A示数分别为I1I2I已知I=06AI1=04A则通过灯L1 sketch template

在图所示电路中电源电压相等且保持不变三个电流表中有两个电流表的示数相等下列说法正确的是A．若电流表A1A3的示数相等则R1＝R3 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

29．图21所示电路中电源电压为3伏灯泡L1L2阻值分别为12欧和3欧甲乙两处可分别接入电流表或电压表则下列说法中正确的是 A sketch template

在如图所示的电路中电源电压保持不变当开关S由断开到闭合电流表两次示数之比是1∶5由此可知电阻与之比是 A．5∶1 B．1∶5 sketch template

在如图所示的电路中电源电压为3伏特电阻R的阻值为5欧姆 �动变阻器标有“20Ω 2A sketch template

一轮复习：描绘小灯泡伏安特性曲线知乎 sketch template

如图所示电路中电源电压保持不变灯L标有“12V 12W 字样R2＝12Ω当S1S2都闭合时电流表示数为12A这时灯L正常�光 sketch template

如图所示电路中电源电压为3伏灯泡L1L2阻值分别为12欧和3欧甲乙两处可分别接入电流表或电压表则下列说法中正确的是 A．断开 sketch template

如图所示电路中电源电压适当要使电铃和电灯同时有电流通过以下做法中正确的是A．闭合S2断开S1S3 B．断开S3闭合S1S2 C sketch template

在如图所示的电路中电源电压不变．开关S闭合后移动�片P改变�动变阻器接入电路的阻值使电压表的示数从6V变化到2V同时观察到电流表的示 sketch template

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