如图所示,对称电源的电压为380V,线路阻抗Z L =0.3+j0.4Ω,对称负载Z 1 =60 30°Ω,Z 2 =50 53.1°Ω,试求各负载的电电流和线电流的有效值。
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举一反三
【单选题】He learns from a book that keeping a balaced diet is really important for his health, so he sometimes eats fish as a(n) ________ to his vegetarian diet.