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  • A certain particle carries 2.5 x 10^-16 C of static electric charge. Calculate the number of electrons present in it.

2.38    A certain particle carries 2.5\times 10^{-16}\ \textup{C} of static electric charge. Calculate the number of electrons present in it.

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As the charge carried by one electron is 1.602\times10^{-19}C

Therefore, the number of electrons present in particle carrying 2.5\times 10^{-16}\ \textup{C} charge will be: 

=\frac{2.5\times10^{-16}C}{1.6022\times10^{-19}C} = 1.560\times10^3

= 1560\ electrons

Posted by

Divya Prakash Singh

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