- If the charge on the spheres were negative, how many electrons would have to be added to them to yield a net charge of -4.4x10-8 C.
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Answer:
You know that one electron has a charge of 1.6×10−19C so we need to remove:
6.4×10−71.6×10−19=4×1012 electrons
Explanation:
You know that one electron has a charge of 1.6×10−19C so we need to remove:
6.4×10−71.6×10−19=4×1012 electrons
Since one electron has a charge of 1.6⋅10−19C we can simply take the overall charge of the sphere and divide it by the charge of a single electron to see how many electrons account for the overall charge. It would look like
6.4⋅10−4C1.6⋅10−19C
Which would give us 4⋅1012electrons
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