纠结的物理题如图甲11-3所示电路,电源电动势为E,内阻不计,滑动变阻器的最大电阻为R,负载电阻为R0.当滑动变阻器的滑动端S在某位置时,R0两端电压为E/2,滑动变阻器上消耗的功率为P.若将R0与电
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![纠结的物理题如图甲11-3所示电路,电源电动势为E,内阻不计,滑动变阻器的最大电阻为R,负载电阻为R0.当滑动变阻器的滑动端S在某位置时,R0两端电压为E/2,滑动变阻器上消耗的功率为P.若将R0与电](/uploads/image/z/9314660-20-0.jpg?t=%E7%BA%A0%E7%BB%93%E7%9A%84%E7%89%A9%E7%90%86%E9%A2%98%E5%A6%82%E5%9B%BE%E7%94%B211-3%E6%89%80%E7%A4%BA%E7%94%B5%E8%B7%AF%2C%E7%94%B5%E6%BA%90%E7%94%B5%E5%8A%A8%E5%8A%BF%E4%B8%BAE%2C%E5%86%85%E9%98%BB%E4%B8%8D%E8%AE%A1%2C%E6%BB%91%E5%8A%A8%E5%8F%98%E9%98%BB%E5%99%A8%E7%9A%84%E6%9C%80%E5%A4%A7%E7%94%B5%E9%98%BB%E4%B8%BAR%2C%E8%B4%9F%E8%BD%BD%E7%94%B5%E9%98%BB%E4%B8%BAR0.%E5%BD%93%E6%BB%91%E5%8A%A8%E5%8F%98%E9%98%BB%E5%99%A8%E7%9A%84%E6%BB%91%E5%8A%A8%E7%AB%AFS%E5%9C%A8%E6%9F%90%E4%BD%8D%E7%BD%AE%E6%97%B6%2CR0%E4%B8%A4%E7%AB%AF%E7%94%B5%E5%8E%8B%E4%B8%BAE%2F2%2C%E6%BB%91%E5%8A%A8%E5%8F%98%E9%98%BB%E5%99%A8%E4%B8%8A%E6%B6%88%E8%80%97%E7%9A%84%E5%8A%9F%E7%8E%87%E4%B8%BAP.%E8%8B%A5%E5%B0%86R0%E4%B8%8E%E7%94%B5)
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