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van de graaff generator

發問:

1.van de graaff generator 其實係positive charge 定係negative charge accumulate on its dome? 係吾係睇情況? 2.假如一個人隻手接觸van de graaff generator D頭髮會豎起 其實係electron 係transfer去個人定係人transfer electron 去van de graaff generator (同accumulate on its dome既係positive charge 定係negative charge 有冇關係)

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1.van de graaff generator 其實係positive charge 定係negative charge accumulate on its dome? 係吾係睇情況? It depends on the design of the van de Graaf generator. Either +ve or -ve charge is possible. 2.假如一個人隻手接觸van de graaff generator D頭髮會豎起 其實係electron 係transfer去個人定係人transfer electron 去van de graaff generator As said above, this depends on what kind of charge (+ve or -ve) resides on the dome. If electrons are residing on the dome, some of which will transfer to the hair of the person who touches the dome with his hand.

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