电阻R1,R2并联后接到电源上,R1=30欧,R2=60欧,电流表A的示数为0.6A.求(1)电源电压(2)R1消耗的电功率(3)R2消耗的电功率
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![电阻R1,R2并联后接到电源上,R1=30欧,R2=60欧,电流表A的示数为0.6A.求(1)电源电压(2)R1消耗的电功率(3)R2消耗的电功率](/uploads/image/z/2148788-20-8.jpg?t=%E7%94%B5%E9%98%BBR1%2CR2%E5%B9%B6%E8%81%94%E5%90%8E%E6%8E%A5%E5%88%B0%E7%94%B5%E6%BA%90%E4%B8%8A%2CR1%3D30%E6%AC%A7%2CR2%3D60%E6%AC%A7%2C%E7%94%B5%E6%B5%81%E8%A1%A8A%E7%9A%84%E7%A4%BA%E6%95%B0%E4%B8%BA0.6A.%E6%B1%82%EF%BC%881%29%E7%94%B5%E6%BA%90%E7%94%B5%E5%8E%8B%EF%BC%882%EF%BC%89R1%E6%B6%88%E8%80%97%E7%9A%84%E7%94%B5%E5%8A%9F%E7%8E%87%EF%BC%883%EF%BC%89R2%E6%B6%88%E8%80%97%E7%9A%84%E7%94%B5%E5%8A%9F%E7%8E%87)
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