如图所示r1为20Ω的定值电阻电源电压为6v保持不变开关闭合后电流表示数为05a通电时间3min根据这些条件求出与电阻r2有关的 Sketch Coloring Page

如图所示r1为20Ω的定值电阻电源电压为6v保持不变开关闭合后电流表示数为05a通电时间3min根据这些条件求出与电阻r2有关的 Template

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anonymous
sketch #5179 Audrey Hepburn by 陳一夫

tomski如图所示r1为20Ω的定值电阻电源电压为6v保持不变开关闭合后电流表示数为05a通电时间3min根据这些条件求出与电阻r2有关的 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

如图所示R1为20Ω的定值电阻电源电压为6V保持不变开关闭合后电流表示数为05A通电时间3min根据这些条件求出与电阻R2有关的 sketch template

如图所示R1为20Ω的定值电阻电源电压为6V且保持不变开关闭合后电流表示数为05A．求1通过R1的电流2R2的电阻值3 sketch template

题目如图甲所示电源电压U=8VR1为定值电阻阻值为20ΩR为�动变阻器R的最大阻值为50Ω小灯泡上标有“6V 字样小灯泡的I sketch template

如图所示的电路中电源电压不变电阻R1的阻值为20Ω．当断开开关S1和S2闭合开关S3时电流表的示数为050A当断开开关S2闭合 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

如图所示的电路中，电源两端电压保持不变，电阻R2的阻值为20Ω．闭合开关后，电压表的示数为2V，电流表的示数为02A，求：1电阻R1的 sketch template

在如图所示的电路中电源电压为12伏且保持不变定值电阻R1的阻值为20欧�动变阻器R2上标有“20Ω 1A 字样．闭合电键S电压表示数为 sketch template

题目如图所示电路中定值电阻R1=20ΩR2为�动变阻器电源电压保持不变当�片在a端时电流表示数为03A�片在b端时电压表示数 sketch template

如图所示的电路中电源电压保持15V不变电阻R1的阻值为20Ω．当断开开关S1和S3闭合开关S2时电流表的示数为050A．求1加 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A的示数为06A电流表A1的示数为04A．求1电源 sketch template

两个定值电阻R1、R2并联在电路中如图甲所示它们的电流与其两端的电压关系如图乙所示闭合开关S则R1R2产生的热量之比为 A 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

如图所示的电路中电源电压为6V且保持不变电阻R1的阻值为20Ω．闭合开关S电流表A的示数为05A．求通过R1的电流和电阻R2的阻值 sketch template

百度教育 sketch template

如图所示电源电压为12V且保持不变电阻R1=20Ω�动变阻器R2的最大阻值为20Ω则当�动片P在�动变阻器上�动时电流表电压表上 sketch template

在图a所示的电路中电源电压为6伏且保持不变定值电阻R1的阻值为20欧�动变阻器R2上标有“50Ω 2A 字样闭合电键S移动变阻器 sketch template

如图所示电路中R1=20Ω电路总电阻为12Ω电流表示数为03A请计算1电源电压2通电lmin电流通过R1产生的热量3 sketch template

在如图所示的电路中，电源电压保持不变，定值电阻R1的阻值为10Ω，�动变阻器R2上标有“2A”字样。闭合开关S，移动�片P至电路中的电流最大 sketch template

如图所示电路电源电压不变R1R2的阻值分别为10Ω和20Ω闭合S1断开S2时 电流表的示数为03A当同时闭合S1S2时 sketch template

如图所示把20Ω的电阻R1和30Ω的电阻R2串联起来接在电压为6V的电源上．闭合开关后求1R1和R2的总电阻2电流表的示数 sketch template

如图所示电源电压保持不变电阻R1R2的阻值分别为20Ω和30Ω闭合S1断开S2时电流表的示数为015A求1电源电压为多� sketch template

如图甲所示，电源电压保持不变，R1为定值电阻．当闭合开关S，�动变阻器�片P从a端移到b端，两电表示数变化关系用图乙线段AB表示．求：（1 sketch template

如图1所示的电路中R1为定值电阻R2为�动变阻器电源电压不变．闭合开关S后�片P从a端移动到b端电流表示数I与电压表示数U的变化关系 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01AR2消耗的电功率为lW 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电源电压为6VR1阻值为10ΩR2阻值为20Ω．R1与R2的连接方式为并并联．闭合开关电流表的示数为0909A．通电30s sketch template

如图甲所示电路中R0为定值电阻R1为�动变阻器图乙是该�动变阻器消耗的电功率与电流关系的图像则该�动变阻器的最大值是 Ω�动变阻器 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A的示数为06A电流表A1的示数为04A．求1电源 sketch template

如图所示电源电压保持不变R1为定值电阻闭合开关S将�动变阻器R2的�片P从最右端�中点移动下列说法正确的是 A．电压表V1与电压 sketch template

如图所示的电路电源电压保持不变电阻R1R2的阻值分别为10Ω和5Ω．只闭合开关S1将�片P移到中点电压表示数为6V电阻R1的功率为 sketch template

在如图所示的电路中电源电压为6V且不变．电阻R1的阻值为10Ω�动变阻器R2上标有“20Ω 2A 字样两电表均为常用电表．闭合开关S sketch template

如图甲所示的电路中电源电压不变R0为定值电阻R为电阻箱闭合开关S后调节电阻箱R的阻值得到电压表示数U与电阻箱阻值R的变化关系如图乙 sketch template

如图所示的电路中电源电压U=45V且保持不变定值电阻R1＝5Ω变阻器R2最大阻值为20Ω电流表量程为006A电压表量程为0 sketch template

如图甲所示的电路中电源电压恒定R1为定值电阻．闭合开关将�动变阻器的�片P从a端�至b端电压表示数U随�动变阻器接入电路的阻值R2变化 sketch template

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