由分析知两个电灯是并联,电流表测量L1中的电流,电压表测量两个电灯两端的电压.开关在干路中,且与电源正极相连.答图如下:
按左图所示的实物连接图,在实物图右方虚线框内画出相应的电路图.
按左图所示的实物连接图,在实物图右方虚线框内画出相应的电路图.
物理人气:730 ℃时间:2020-09-03 10:41:00
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