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s1s3 b．断开s3闭合s1s2 C Sketch Coloring Page

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s1s3 b．断开s3闭合s1s2 C Template

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anonymous

anonymous
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sketch #249 Rocket

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sketch #5149 Daenerys Targaryen by Jorge Valero

anonymous

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sketch #5149 Daenerys Targaryen by Jorge Valero

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sketch #4834 Aayla Secura by Nînâ Yämâhä

sketch #1061 garota ao vento

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anonymous

anonymous
sketch #3138 Papa Smurf by Courtney Spragg

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Rachel Roe
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sketch #4279 Winnie the Pooh by Douglas Dalmora

anonymous

anonymous
sketch #4279 Winnie the Pooh by Douglas Dalmora

sketch #5437 Mikasa from Attack on Titan by Manimarmuthu Muthu

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anonymous
sketch #5437 Mikasa from Attack on Titan by Manimarmuthu Muthu

sketch #3151 Spaceship Nessa Kira Hellsing

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anonymous
sketch #3151 Spaceship Nessa Kira Hellsing

sketch #5182 Inuyasha by Sepp Herberger

anonymous

anonymous
sketch #5182 Inuyasha by Sepp Herberger

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sketch #3686 Toy Story by Thania Arruda

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sketch #5249 Adele - Skyfall by Mert Arda Yiğit

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sketch #5249 Adele - Skyfall by Mert Arda Yiğit

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sketch #2862 Grumpy Cat

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sketch #933 mts

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anonymous
sketch #933 mts

tomski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s1s3 b．断开s3闭合s1s2 c coloring

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S1S3 B．断开S3闭合S1S2 C 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．断开Sl闭合S2S3B．断开S2闭合S1S3C 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

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如图所示的电路中电源电压为6V．当闭合开关后电灯都不亮．现用电压表检查各段电路的电压结果Uab=Ubc=Ucd=0．下列判断中正确的是 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

如图所示电路中电源电压保持不变闭合开关S后将�动变阻器R2的�片P�右移动在此过程中 A．电流表A示数变大电压表V2示数变小B．电流 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

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

如图所示的电路中电源电压保持不变．闭合电键S后电路正常工作．过了一会儿灯L熄灭两个电表中只有一个电表的示数变大则下列判断中正确的是 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

如图所示电路中当两个开关都闭合时关于电灯和电铃的工作状态分析正确的是 A．电灯亮电铃响 B．电灯亮电铃不响 C．电灯不亮电铃 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SS1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

如图所示电路中电源电压不变R1为�动变阻器R2为定值电阻开关S闭合后当�片P在变阻器的两端AB之间�动的过程中电压表的最大示数为 sketch template

图所示的电路中电源两端电压U保持不变当只闭合开关S1时电压表的示数为U1电流表的示数I1为1A电阻R1消耗的电功率P1为4W电阻R2 sketch template

11．在如图所示的电路中电源电压为6V开关闭合后电灯LlL2均不�光用电压表逐段测量结果是Uab=0VUad=6VUbc sketch template

在如图所示的电路中电源电压保持不变电阻R1 的阻值为20Ω闭合开关S电流表A1的示数为03A电流表A 的示数为05A．求1 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

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B．电流 sketch template

如图所示的电路中电源电压为U且保持不变闭合电键S灯L不�光只有一只电表有示数已知电路中只有一处故障且�生在电阻R或灯L处请根据 sketch template

如图所示的电路中电源电压保持不变闭合开关S后当�动变阻器的�片P�左移动时下列判断正确的是 A．电流表示数变大电压表示数变小 sketch template

在如图所示的电路中电源两端的电压保持不变闭合开关S后�动变阻器的�片P�右移动下列说法中正确的是A．电压表的示数变大 电灯L的亮度变 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

如图所示电路电源电压可调R1=10Ω小灯泡标有“6V 6W�动变阻器R2上标有“15Ω 2A 的字样求1若只闭合S1调节电源 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S1S2都闭合时电流表示数为12A这时灯L正常�光 sketch template

图中所示电路中L1和L2分别为“220V 40W 和“220V 60W 的白炽灯泡为了使L1L2都�光且L1比L2亮应闭合的开关为 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L1L 2和L 3的亮度变化情况是 sketch template

如图所示电路中电源电压u=311sin 100πtVAB间接有“220V 440W 的电暖宝“220V 220W 的抽油烟机交流 sketch template

如图所示的电路中若要使L1和L2两灯组成并联电路开关的断开与闭合情况应是 A．S1S2断开S3闭合B．S1S2闭合S3断开C sketch template

如图所示的电路中电源电压恒定不变灯泡L标有“6V 3W 定值电阻R0的阻值为8Ω�动变阻器R的最大阻值为120Ω电压表的量程为0 sketch template

在右图所示的电路中电源电压6V闭合开关后两灯均不 �光用电压表测量电路中ab间电压为0bc间电压 为6V则电路中的故障可能是 sketch template

如图所示电路中电源电压不变R1为定值电阻R2为�动变阻器．闭合开关S当�片P在某一端点时电流表示数为01AR2消耗的电功率为lW sketch template

在如图所示的电路中电源电压保持不变闭合开关S将�动变阻器�片P�左移动时以下说法正确的是 A．两电流表示数的差值的绝对值变小B sketch template

如图所示电路两盏相同的电灯在闭合开关后都能�光．过了一会儿两盏电灯突然同时都不亮了且电压表和电流表的示数均变为零．如果电路只有一处故障 sketch template

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