Question

An oil drop has 6.39 x 10^-19C charge. Find out the number of electrons in this drop.

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Answer 1

Answer:

Answer is as follows:

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Explanation:

Answer 2

Answer:

charge present in oil drop ,

=6.39x 10^-19

charge of an electron is

= 1.6 x 10^-19

no. of electron ,

=(6.39x10^-19)/(1.6 x 10^-19)

4 electrons

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