How many electron must be removed from a piece
of metal so that a possitive
charge of
1.0x10-7c remains on it ?
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Answer:
removing each electron will give u 1.603*10^-19 C positive charge. So if u want +1*10^-7 C u need to remove +1*10^-7 / 1.603*10^-19 = 6.2383*10^11 electrons.
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