8.
![](https://www.ebk.net.cn/tikuimages/8/2018/500/shoutiniao78/928dc93acc98d9f3597a7c4594624cb7.png)
如图所示,\(q_{1}\),\(q_{2}\),\(q_{3}\),分别表示在一条直线上的三个点电荷,已知\(q_{1}\)与\(q_{2}\)之间的距离为\(l_{1}\),已知\(q_{2}\)与\(q_{3}\)之间的距离为\(l_{2}\),且每个电荷都处于平衡状态
\((1)\)如\(q_{2}\)为负电荷,则\(q_{1}\)为 ______ 电荷,\(q_{3}\)为 ______ 电荷.
\((2)q_{1}\),\(q_{2}\),\(q_{3}\)三者电量大小之比是 ______ : ______ : ______ .