图所示的电路开关闭合时电流表甲测量的是通过 的电流选填“l1 “l2 或“l1和l2 电流表乙测量的是通过 的电流选填 Sketch Coloring Page

图所示的电路开关闭合时电流表甲测量的是通过 的电流选填“l1 “l2 或“l1和l2 电流表乙测量的是通过 的电流选填 Template

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tomski图所示的电路开关闭合时电流表甲测量的是通过 的电流选填“l1 “l2 coloring

图甲是小灯泡L1和L2的电流随电压变化的图像。将它们按图乙所示接入电路中，闭合开关S时，小灯泡L1的实际功率为1W。则下面的说法中正确的是 sketch template

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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

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小红做实验时他按如图所示的电路图连接好电路闭合开关后�现两灯均不亮故障原因是两只灯泡中只有一只是坏的．现给你一根导线一个电压表一只 sketch template

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