用电象法求出了均匀外电场中导体球表面上感生电荷的分布。
The distribution of induced charges on a conducting sphere in a uniform field is calculated by method of images.
当带电物体放到内电极里面的时候，就有感生电荷流过静电计。
When a charged object is placed within the inside electrode, an induced charge will flow into the electrometer.
当带电物体放到内电极里面的时候，就有感生电荷流过静电计。
When a charged object is placed within the inside electrode, an induced charge will flow into the electrometer.
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