有“6V 3W”的小灯泡,通过它的电流与电压的关系如图所示.若把它与一只阻值为8Ω的电阻并联接在电压为4V的电路中,则整个电路消耗的功率为( )A.3W B.3.3W C.3.6W D.5W
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![有“6V 3W”的小灯泡,通过它的电流与电压的关系如图所示.若把它与一只阻值为8Ω的电阻并联接在电压为4V的电路中,则整个电路消耗的功率为( )A.3W B.3.3W C.3.6W D.5W](/uploads/image/z/2836457-17-7.jpg?t=%E6%9C%89%E2%80%9C6V+3W%E2%80%9D%E7%9A%84%E5%B0%8F%E7%81%AF%E6%B3%A1%2C%E9%80%9A%E8%BF%87%E5%AE%83%E7%9A%84%E7%94%B5%E6%B5%81%E4%B8%8E%E7%94%B5%E5%8E%8B%E7%9A%84%E5%85%B3%E7%B3%BB%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%EF%BC%8E%E8%8B%A5%E6%8A%8A%E5%AE%83%E4%B8%8E%E4%B8%80%E5%8F%AA%E9%98%BB%E5%80%BC%E4%B8%BA8%CE%A9%E7%9A%84%E7%94%B5%E9%98%BB%E5%B9%B6%E8%81%94%E6%8E%A5%E5%9C%A8%E7%94%B5%E5%8E%8B%E4%B8%BA4V%E7%9A%84%E7%94%B5%E8%B7%AF%E4%B8%AD%2C%E5%88%99%E6%95%B4%E4%B8%AA%E7%94%B5%E8%B7%AF%E6%B6%88%E8%80%97%E7%9A%84%E5%8A%9F%E7%8E%87%E4%B8%BA%EF%BC%88%E3%80%80%E3%80%80%EF%BC%89A%EF%BC%8E3W+B%EF%BC%8E3.3W+C%EF%BC%8E3.6W+D%EF%BC%8E5W)
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