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An oil drop has 6.39 x 10-39 C charge. Find out the number of electrons on this drop. |
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Answer» Charge on oil drop = 6.39 x 10-19 C 1.602 x 10-19 C is the charge on 1 electron ∴ 6.39 x 10-19 C will be charge on = {6.39 x 1019}/{1.602 x 10-19} = 4 electrons |
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