因为并联电路两端电压相等,因此L2的两端的电压和电源电压都为2.8V.
答:电流表A1的示数是0.6A;L2的两端的电压是2.8V;电源电压是2.8V.
The Dongying-Hainan airline for about 5 months. I have taken the flights three times.
下列关于进入青春期的说法错误的是( )
Each of us has _________ life goals, which will guide us to a bright future. Without life goals, we may waste our lifetime.