3．如图所示电路为演示自感现象的实验电路实验时先闭合开关s电路达到稳定后设通过线圈l的电流为i1通过小灯泡l2的电流为i2小灯泡l1 Sketch Coloring Page

3．如图所示电路为演示自感现象的实验电路实验时先闭合开关s电路达到稳定后设通过线圈l的电流为i1通过小灯泡l2的电流为i2小灯泡l1 Template

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tomski3．如图所示电路为演示自感现象的实验电路实验时先闭合开关s电路达到稳定后设通过线圈l的电流为i1通过小灯泡l2的电流为i2小灯泡l1 coloring

3．如图所示的电路为演示自感现象的实验电路若闭合开关S电流达到稳定后通过线圈L的电流为I1通过小灯泡L2的电流为I2小灯泡L2处于正常 sketch template

如图所示的电路为演示自感现象的实验电路若闭合开关S电流达到稳定后通过线圈L的电流为I1通过小灯泡L2的电流为I2小灯泡L2处于正常 sketch template

如图所示是演示自感现象的实验电路图L是有铁芯的线圈A是灯泡接通电路后灯泡正常�光灯泡正常�光时线圈中的电流小于灯泡中的电流再 sketch template

3．如图所示电路为演示自感现象的实验电路实验时先闭合开关S电路达到稳定后设通过线圈L的电流为I1通过小灯泡L2的电流为I2小灯泡L1 sketch template

在断电自感的演示实验中用小灯泡、带铁芯的电感线圈和定值电阻等元件组成如图甲所示电路。闭合开关 待电路稳定后 两出卷� sketch template

8．一演示自感现象的实验电路图如图所示L是带铁芯的线圈A是一只灯泡开关S处于闭合状态灯泡正常�光现断开S灯泡过一会儿才熄灭关于 sketch template

如图所示为演示自感现象实验的电路实验时先闭合开关S稳定后设通过线圈L的电流为I1通过小灯泡A的电流为I2小灯泡处于正常�光状态迅速 sketch template

如图所示为演示自感现象的实验电路图L是电感线圈A1A2是规格相同的灯泡R的阻值与L的电阻值相同当开关K由断开到合上时观察到的自感 sketch template

如图所示电路中AB是两个完全相同的灯泡L为自感系数很大的线圈其直流电阻小于灯泡电阻．C是电容器闭合开关电路稳定时B灯恰能正常�光 sketch template

如图所示电路L是自感系数较大的线圈在�动变阻器的�动片P从A端迅速��B端的过程中经过AB中点C时通过线圈的电流为I1P从B端迅速�� sketch template

如图所示电路L是自感系数较大的线圈在�动变阻器的�动片P从A端迅速��B端的过程中经过AB中点C时通过线圈的电流为I1P从B端迅速�� sketch template

在如图所示的电路ab中电阻R和自感线圈L的阻值都很小．接通K使电路达到稳定灯泡S�光． A．在电路a中断开KS将先变得 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

3．如图所示的电路中电源电动势为E内阻r不能忽略．R1和R2是两个定值电阻L是一个自感系数较大的线圈．开关S原来是断开的．从闭合开关S到 sketch template

如图所示为一演示实验电路图图中L是一带铁心的线圈A是一灯泡电键K处于闭合状态电路是接通的线将电键K打开则在电路切断的瞬间通过 sketch template

如图所示电路中电池的电动势为E内阻不计电阻为R电容器的电容为C线圈的自感系数为L．开关S处于图示位置时电容器不带电线圈中没有电流 sketch template

一轮复习：含容电路 知乎 sketch template

一轮复习：描绘小灯泡伏安特性曲线知乎 sketch template

第一讲 电路的基本概念和基本定律知乎 sketch template

3．如图所示的电路中电源电动势为E内阻r不能忽略．R1和R2是两个定值电阻L是一个自感系数较大的线圈．开关S原来是断开的．从闭合开关S到 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

如图所示的电路中123456为连接点的标号．在开关闭合后�现小灯泡不亮．现用多用电表检查电路故障需要检测的有电源开关小 sketch template

题目如图所示电路电源电压为6 V当S断开时电流表的示数为1 AS闭合时电流表的读数为15安求1电阻R1的阻值2 sketch template

如图所示电路电源两端电压为6V且保持不变当只闭合开关S1时电流表的示数为05A只闭合开关S2时电流表的示数为02A只闭合S3时 sketch template

如右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．电压表V1示数不变电压表V2示数变大B 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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

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

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R1=10 ΩR2=20 Ω�动变阻器R的阻值为050 Ω当�动触头P由a�b�动的过程中灯泡L的亮度变化情况是 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

如图所示的电路中若要使灯L1和L2组成并联电路应闭合开关 应断开开关 A．S2S3S1B．S1S3S2C．S1S2S3——青 sketch template

如图所示电路中电源电压为6V且保持不变R1为10Ω�动变阻器R2的最大阻值为50Ω．在�片P从A端�到B端的过程中电流表的示数的变化 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

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