Van de Graaff Generator
范德格拉夫起电机
Repelling Balloons
排斥气球
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Two helium balloons can be made to stand out from a van de Graaf generator. Any two objects which collect the same polarity charge will repel each other. 两个氦气球可以被制成远离Van de Graaf发电机。任何两个收集相同极性电荷的物体都会相互排斥。
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Voltages in excess of 100,000 volts can be generated with a demonstration model Van de Graaff generator. Though startling, discharges from the Van de Graaff do not represent a serious shock hazard since the currents attainable are so small.
超过100,000伏的电压可以用演示型范德格拉夫起电机生成。尽管令人震惊，范德格拉夫起电机产生的放电并不构成严重的触电危险，因为可获得的电流非常小。
| Other Van de Graaff demos
其他范德瓦尔演示 |
实验者：Ed Mikovsky
Voltage concepts
索引 电压概念
| HyperPhysics***** Electricity and Magnetism
HyperPhysics ***** 电学和磁学 | R Nave |
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