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关 键 词：静电乒乓
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发布时间：2012-04-04
静电乒乓
静电发生装置产生高压静电，由于静电感应，吊挂的金属球被感应上电荷，当电荷积累到一定量时，带有电荷的极板就与金属球发生作用，首先异性电荷相吸引。这时金属球被吸引到极板上，电荷中和、释放，金属球又被感应上电荷与另一个极板上的电荷相排斥，金属球被推过去，如此金属球左右摆动，并能发出乒乓、乒乓的声音。
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The equipment producing static produce high-pressure static, due to electrostatic induction, the hanged metal ball is induced with charge. When the charges pile up to a certain degree, the polar board with charge function with the metal ball. Firstly, the charges with opposite polarity attract reciprocally.Then the metal ball is attracted to the polar board, the charges begin to neutralize and release, the metal ball is induced with charge again and repulse the charge on the other polar board, so the ball is pushed away, thus the ball swing back and forth, and produce the sound of pingpong.
