一道物理简答题.楼道里的灯常常彻夜通明,因而极易损坏.给它串联一个电阻后再接到电路里,虽然亮度楼道里的灯常常彻夜通明,因而极易损坏.给它串联一个电阻后再接到电路里,虽然亮度略
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![一道物理简答题.楼道里的灯常常彻夜通明,因而极易损坏.给它串联一个电阻后再接到电路里,虽然亮度楼道里的灯常常彻夜通明,因而极易损坏.给它串联一个电阻后再接到电路里,虽然亮度略](/uploads/image/z/6904472-32-2.jpg?t=%E4%B8%80%E9%81%93%E7%89%A9%E7%90%86%E7%AE%80%E7%AD%94%E9%A2%98.%E6%A5%BC%E9%81%93%E9%87%8C%E7%9A%84%E7%81%AF%E5%B8%B8%E5%B8%B8%E5%BD%BB%E5%A4%9C%E9%80%9A%E6%98%8E%2C%E5%9B%A0%E8%80%8C%E6%9E%81%E6%98%93%E6%8D%9F%E5%9D%8F.%E7%BB%99%E5%AE%83%E4%B8%B2%E8%81%94%E4%B8%80%E4%B8%AA%E7%94%B5%E9%98%BB%E5%90%8E%E5%86%8D%E6%8E%A5%E5%88%B0%E7%94%B5%E8%B7%AF%E9%87%8C%2C%E8%99%BD%E7%84%B6%E4%BA%AE%E5%BA%A6%E6%A5%BC%E9%81%93%E9%87%8C%E7%9A%84%E7%81%AF%E5%B8%B8%E5%B8%B8%E5%BD%BB%E5%A4%9C%E9%80%9A%E6%98%8E%2C%E5%9B%A0%E8%80%8C%E6%9E%81%E6%98%93%E6%8D%9F%E5%9D%8F%EF%BC%8E%E7%BB%99%E5%AE%83%E4%B8%B2%E8%81%94%E4%B8%80%E4%B8%AA%E7%94%B5%E9%98%BB%E5%90%8E%E5%86%8D%E6%8E%A5%E5%88%B0%E7%94%B5%E8%B7%AF%E9%87%8C%2C%E8%99%BD%E7%84%B6%E4%BA%AE%E5%BA%A6%E7%95%A5)
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