如图,r1和r2为两个最大阻值都为90欧的滑动变阻器,当两滑片都在中间时,r1和r2上的电功率都为p,要使r1的功率为p\2,r2的电功率仍为p,两可变电阻的阻值应分别调到多少欧
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![如图,r1和r2为两个最大阻值都为90欧的滑动变阻器,当两滑片都在中间时,r1和r2上的电功率都为p,要使r1的功率为p\2,r2的电功率仍为p,两可变电阻的阻值应分别调到多少欧](/uploads/image/z/14994019-19-9.jpg?t=%E5%A6%82%E5%9B%BE%2Cr1%E5%92%8Cr2%E4%B8%BA%E4%B8%A4%E4%B8%AA%E6%9C%80%E5%A4%A7%E9%98%BB%E5%80%BC%E9%83%BD%E4%B8%BA90%E6%AC%A7%E7%9A%84%E6%BB%91%E5%8A%A8%E5%8F%98%E9%98%BB%E5%99%A8%2C%E5%BD%93%E4%B8%A4%E6%BB%91%E7%89%87%E9%83%BD%E5%9C%A8%E4%B8%AD%E9%97%B4%E6%97%B6%2Cr1%E5%92%8Cr2%E4%B8%8A%E7%9A%84%E7%94%B5%E5%8A%9F%E7%8E%87%E9%83%BD%E4%B8%BAp%2C%E8%A6%81%E4%BD%BFr1%E7%9A%84%E5%8A%9F%E7%8E%87%E4%B8%BAp%5C2%2Cr2%E7%9A%84%E7%94%B5%E5%8A%9F%E7%8E%87%E4%BB%8D%E4%B8%BAp%2C%E4%B8%A4%E5%8F%AF%E5%8F%98%E7%94%B5%E9%98%BB%E7%9A%84%E9%98%BB%E5%80%BC%E5%BA%94%E5%88%86%E5%88%AB%E8%B0%83%E5%88%B0%E5%A4%9A%E5%B0%91%E6%AC%A7)
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