【简答题】![](https://cos-cdn.shuashuati.com/shuashuati-web/2024-0521-0905-00/logo-new-ad743.png)
现有两只定值电阻R1、R2,已知R1=2R2,一个能向外提供恒定电压的电池组,还有若干导线.(1)试把以上器材分别画在下页的甲图和乙图中标有A、B、C、D字样的接线柱上,使它们各自组成一个完整的电路(所用电表均为理想电表,量程也总能满足要求).并能满足以下要求:当电键S断开时,电表指针偏转到某一位置,当电键S闭合时,电表的示数为S断开时的3倍.(2)在满足以上要求的情况下,图甲中电键S断开和闭合两种情况下,外电路消耗的电功率之比为______.(3)在满足以上要求的情况下,图乙中电键S断开和闭合两种情况下,R2上消耗的电功率之比为______.
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